[OMPT] Rename ompt_frame_t to omp_frame_t

Rename ompt_frame_t to omp_frame_t, as defined in the spec.

Differential Revision: https://reviews.llvm.org/D43568

llvm-svn: 333367
diff --git a/openmp/runtime/src/kmp_runtime.cpp b/openmp/runtime/src/kmp_runtime.cpp
index c4e2579..da5e5bc 100644
--- a/openmp/runtime/src/kmp_runtime.cpp
+++ b/openmp/runtime/src/kmp_runtime.cpp
@@ -1462,7 +1462,7 @@
     ompt_data_t ompt_parallel_data;
     ompt_parallel_data.ptr = NULL;
     ompt_data_t *parent_task_data;
-    ompt_frame_t *ompt_frame;
+    omp_frame_t *ompt_frame;
     ompt_data_t *implicit_task_data;
     void *return_address = NULL;