Renaming change: 41 -> 45 and 4.1 -> 4.5

OpenMP 4.1 is now OpenMP 4.5.  Any mention of 41 or 4.1 is replaced with
45 or 4.5.  Also, if the CMake option LIBOMP_OMP_VERSION is 41, CMake warns that
41 is deprecated and to use 45 instead.

llvm-svn: 272687
diff --git a/openmp/runtime/src/dllexports b/openmp/runtime/src/dllexports
index 7a5df92..74dd533 100644
--- a/openmp/runtime/src/dllexports
+++ b/openmp/runtime/src/dllexports
@@ -384,9 +384,9 @@
     %endif # OMP_40
 %endif
 
-# OpenMP 4.1 entry points
+# OpenMP 4.5 entry points
 %ifndef stub
-    %ifdef OMP_41
+    %ifdef OMP_45
 	__kmpc_proxy_task_completed	    259
 	__kmpc_proxy_task_completed_ooo	    260
         __kmpc_doacross_init                261
@@ -505,9 +505,9 @@
     %endif
 %endif # OMP_40
 
-# OpenMP 41
+# OpenMP 45
 
-%ifdef OMP_41
+%ifdef OMP_45
     omp_init_lock_with_hint                 870
     omp_init_nest_lock_with_hint            871
     omp_get_max_task_priority               872
@@ -527,7 +527,7 @@
         omp_target_associate_ptr            888
         omp_target_disassociate_ptr         889
     %endif
-%endif # OMP_41
+%endif # OMP_45
 
 kmp_set_disp_num_buffers                    890