GGL update, add while 0 guard for hipLaunchKernel API

Change-Id: Ie48ef8ca2ab5e26a51febfcd92417902c33fbf66

include/hip/hcc_detail/grid_launch_GGL.hpp

@@ -841,15 +841,16 @@ namespace hip_impl
         group_mem_bytes,\
         stream,\
         ...)\
-    {\
-        hipLaunchKernelGGL(\
-            kernel_name,\
-            num_blocks,\
-            dim_blocks,\
-            group_mem_bytes,\
-            stream,\
-            hipLaunchParm{},\
-            ##__VA_ARGS__);\
-    }
+   do {\
+    hipLaunchKernelGGL(\
+        kernel_name,\
+        num_blocks,\
+        dim_blocks,\
+        group_mem_bytes,\
+        stream,\
+        hipLaunchParm{},\
+        ##__VA_ARGS__);\
+   } while(0)
+
 }
 #endif //GENERIC_GRID_LAUNCH