Missing version at about window has been fixed

Makefile

@@ -30,7 +30,7 @@ init:
 	else \
 	    LATEST_TAG="Development"; \
 	fi; \
-	sed -r "s/^(string version_application).*/\1 = \"$${LATEST_TAG}\";/" -i ${FILE_VER}; \
+	sed -r "s/^(static string version_application).*/\1 = \"$${LATEST_TAG}\";/" -i ${FILE_VER}; \
 	echo "-- Build path: ${CMAKE_BUILD_DIR}"
 
 depend:
@@ -70,7 +70,7 @@ check:
 build: depend prepare
 	@echo "Build ..."; \
 	$(MAKE_COMMAND) --directory=${CMAKE_BUILD_DIR}; \
-	sed -r "s/^(string version_application).*/\1;/" -i ${FILE_VER}; \
+	sed -r "s/^(static string version_application).*/\1;/" -i ${FILE_VER}; \
 	echo "Build: OK"
 
 uninstall: