Add missing newline character to include/hip/linker_types.h.

Author: ScottTodd

include/hip/linker_types.h

@@ -127,4 +127,4 @@ typedef enum hipJitFallback {
 #error("Must define exactly one of __HIP_PLATFORM_AMD__ or __HIP_PLATFORM_NVIDIA__");
 #endif
 
-#endif // HIP_INCLUDE_HIP_LINKER_TYPES_H
+#endif // HIP_INCLUDE_HIP_LINKER_TYPES_H