Makes code considerably less crufty and clears gcc warnings:
XlcDL.c: In function '_XlcDynamicLoad':
XlcDL.c:384:44: warning: cast discards '__attribute__((const))' qualifier
 from pointer target type [-Wcast-qual]
XlcDL.c:386:51: warning: cast discards '__attribute__((const))' qualifier
 from pointer target type [-Wcast-qual]
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>