Fix uninitialized bytes

Fixes this valgrind finding ==16977== Warning: invalid file descriptor -1 in syscall close() ==16977== Conditional jump or move depends on uninitialised value(s) ==16977== at 0x544B6B: XkbSendNewKeyboardNotify (xkbEvents.c:62) ==16977== by 0x540481: ProcXkbGetKbdByName (xkb.c:5330) ==16977== by 0x4341C5: Dispatch (NXdispatch.c:482) ==16977== by 0x40EB02: main (main.c:353) ==16977== Uninitialised value was created by a heap allocation ==16977== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==16977== by 0x431BD7: NextAvailableClient (dispatch.c:3719) ==16977== by 0x47B297: AllocNewConnection (connection.c:821) ==16977== by 0x47B297: EstablishNewConnections (connection.c:910) ==16977== by 0x463DFE: ProcessWorkQueue (dixutils.c:541) ==16977== by 0x47635E: WaitForSomething (WaitFor.c:213) ==16977== by 0x434089: Dispatch (NXdispatch.c:360) ==16977== by 0x40EB02: main (main.c:353)

Fix uninitialized bytes
44c59e12 · Ulrich Sibiller · 5b0bf752 · 44c59e12
Commit 44c59e12 authored Dec 18, 2018 by Ulrich Sibiller
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dispatch.c nx-X11/programs/Xserver/dix/dispatch.c +1 -1

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--- a/nx-X11/programs/Xserver/dix/dispatch.c
+++ b/nx-X11/programs/Xserver/dix/dispatch.c
@@ -3716,7 +3716,7 @@ ClientPtr NextAvailableClient(void * ospriv)
    i = nextFreeClientID;
    if (i == MAXCLIENTS)
 	return (ClientPtr)NULL;
-    clients[i] = client = (ClientPtr)malloc(totalClientSize);
+    clients[i] = client = (ClientPtr)calloc(1,totalClientSize);
    if (!client)
 	return (ClientPtr)NULL;
    InitClient(client, i, ospriv);