Bug 343421: Fix some typos in comments - Patch by timeless <timeless@bemail.org> r=wicked a=myk

Bugzilla.pm

@@ -405,7 +405,7 @@ with mod_perl
 
 =item *
 
-Everything is in one central place, so its easy to access, modify, and maintain
+Everything is in one central place, so it's easy to access, modify, and maintain
 
 =item *
 

Bugzilla/Template.pm

@@ -219,7 +219,7 @@ sub get_format {
     eval {
         $self->context->template($template);
     };
-    # This parsing may seem fragile, but its OK:
+    # This parsing may seem fragile, but it's OK:
     # http://lists.template-toolkit.org/pipermail/templates/2003-March/004370.html
     # Even if it is wrong, any sort of error is going to cause a failure
     # eventually, so the only issue would be an incorrect error message
@@ -253,7 +253,7 @@ sub quoteUrls {
     # bug refs out, so we have to do replacements.
     # mailto can't contain space or #, so we don't have to bother for that
     # Do this by escaping \0 to \1\0, and replacing matches with \0\0$count\0\0
-    # \0 is used because its unlikely to occur in the text, so the cost of
+    # \0 is used because it's unlikely to occur in the text, so the cost of
     # doing this should be very small
     # Also, \0 won't appear in the value_quote'd bug title, so we don't have
     # to worry about bogus substitutions from there
@@ -269,7 +269,7 @@ sub quoteUrls {
     # if it was substituted as a bug title (since that always involve leading
     # and trailing text)
 
-    # Because of entities, its easier (and quicker) to do this before escaping
+    # Because of entities, it's easier (and quicker) to do this before escaping
 
     my @things;
     my $count = 0;

process_bug.cgi

@@ -372,7 +372,7 @@ if (((defined $cgi->param('id') && $cgi->param('product') ne $oldproduct)
             $vars->{'verify_fields'} = 1;
             my %defaults;
             # We set the defaults to these fields to the old value,
-            # if its a valid option, otherwise we use the default where
+            # if it's a valid option, otherwise we use the default where
             # that's appropriate
             $vars->{'versions'} = \@version_names;
             if ($vok) {
@@ -664,7 +664,7 @@ sub ChangeStatus {
             #     - leave it as it was
 
             # This is valid only because 'reopen' is the only thing which moves
-            # from closed to open, and its handled above
+            # from closed to open, and it's handled above
             # This also relies on the fact that confirming and accepting have
             # already called DoConfirm before this is called
 
@@ -752,7 +752,7 @@ foreach my $group (@$groups) {
     # (eg product groups when listing more than one product)
     # Only consider groups which were present on the form. We can't do this
     # for single bug changes because non-checked checkboxes aren't present.
-    # All the checkboxes should be shown in that case, though, so its not
+    # All the checkboxes should be shown in that case, though, so it isn't
     # an issue there
     if (defined $cgi->param('id') || defined $cgi->param("bit-$b")) {
         if (!$cgi->param("bit-$b")) {
@@ -1020,7 +1020,7 @@ SWITCH: for ($cgi->param('knob')) {
         last SWITCH;
     };
     /^(resolve|change_resolution)$/ && CheckonComment( "resolve" ) && do {
-        # Check here, because its the only place we require the resolution
+        # Check here, because it's the only place we require the resolution
         check_field('resolution', scalar $cgi->param('resolution'),
                     Bugzilla::Bug->settable_resolutions);