Add semicolon to clang::fallthrough define

Author: m-kuhn

external/libdxfrw/intern/dwgutil.cpp

@@ -19,7 +19,7 @@
 #if __cplusplus >= 201500
 #define FALLTHROUGH [[fallthrough]];
 #elif defined(__clang__)
-#define FALLTHROUGH [[clang::fallthrough]]
+#define FALLTHROUGH [[clang::fallthrough]];
 #elif defined(__GNUC__) && __GNUC__ >= 7
 #define FALLTHROUGH [[gnu::fallthrough]];
 #else

external/libdxfrw/libdxfrw.cpp

@@ -27,7 +27,7 @@
 #if __cplusplus >= 201500
 #define FALLTHROUGH [[fallthrough]];
 #elif defined(__clang__)
-#define FALLTHROUGH [[clang::fallthrough]]
+#define FALLTHROUGH [[clang::fallthrough]];
 #elif defined(__GNUC__) && __GNUC__ >= 7
 #define FALLTHROUGH [[gnu::fallthrough]];
 #else

src/core/qgis.h

@@ -563,7 +563,7 @@ typedef unsigned long long qgssize;
 #if __cplusplus >= 201500
 #define FALLTHROUGH [[fallthrough]];
 #elif defined(__clang__)
-#define FALLTHROUGH [[clang::fallthrough]]
+#define FALLTHROUGH [[clang::fallthrough]];
 #elif defined(__GNUC__) && __GNUC__ >= 7
 #define FALLTHROUGH [[gnu::fallthrough]];
 #else