Apply name change to src/* files.

These changes are mostly in comments, but there are a few
that aren't.  Change libiomp5 => libomp everywhere.  One internal
function name is changed in kmp_gsupport.c, and in kmp_i18n.c, the
static char[] variable 'name' is changed to "libomp".

llvm-svn: 238712
diff --git a/openmp/runtime/src/kmp_gsupport.c b/openmp/runtime/src/kmp_gsupport.c
index 99dc822..e7bac02 100644
--- a/openmp/runtime/src/kmp_gsupport.c
+++ b/openmp/runtime/src/kmp_gsupport.c
@@ -1212,7 +1212,7 @@
 #ifndef KMP_DEBUG
 static
 #endif /* KMP_DEBUG */
-kmp_int32 __kmp_gomp_to_iomp_cancellation_kind(int gomp_kind) {
+kmp_int32 __kmp_gomp_to_omp_cancellation_kind(int gomp_kind) {
     kmp_int32 cncl_kind = 0;
     switch(gomp_kind) {
       case 1:
@@ -1241,7 +1241,7 @@
     MKLOC(loc, "GOMP_cancellation_point");
     KA_TRACE(20, ("GOMP_cancellation_point: T#%d\n", gtid));
 
-    kmp_int32 cncl_kind = __kmp_gomp_to_iomp_cancellation_kind(which);
+    kmp_int32 cncl_kind = __kmp_gomp_to_omp_cancellation_kind(which);
 
     return __kmpc_cancellationpoint(&loc, gtid, cncl_kind);
 }
@@ -1273,7 +1273,7 @@
     MKLOC(loc, "GOMP_cancel");
     KA_TRACE(20, ("GOMP_cancel: T#%d\n", gtid));
 
-    kmp_int32 cncl_kind = __kmp_gomp_to_iomp_cancellation_kind(which);
+    kmp_int32 cncl_kind = __kmp_gomp_to_omp_cancellation_kind(which);
 
     if(do_cancel == FALSE) {
         return xexpand(KMP_API_NAME_GOMP_CANCELLATION_POINT)(which);