Remove unnecessary semicolons

Removes semicolons after if {} blocks, function definitions, etc.
I was able to apply the large OMPT patch cleanly on top of this one
with no conflicts.

llvm-svn: 314340
diff --git a/openmp/runtime/src/kmp_tasking.cpp b/openmp/runtime/src/kmp_tasking.cpp
index e120fa8..370260e 100644
--- a/openmp/runtime/src/kmp_tasking.cpp
+++ b/openmp/runtime/src/kmp_tasking.cpp
@@ -914,8 +914,8 @@
     size &= ~(val - 1);
     if (size <= KMP_SIZE_T_MAX - val) {
       size += val; // Round up if there is no overflow.
-    }; // if
-  }; // if
+    }
+  }
   return size;
 } // __kmp_round_up_to_va