* Fixed URL open on Linux

ci/build-linux_fmod_steam-editor.sh

@@ -80,4 +80,5 @@ make -j
 RESULT=$?
 if [ $RESULT -ne 0 ]; then
   echo "Compilation failed. Aborting."
+  exit $RESULT
 fi

ci/build-linux_fmod_steam.sh

@@ -80,4 +80,5 @@ make -j
 RESULT=$?
 if [ $RESULT -ne 0 ]; then
   echo "Compilation failed. Aborting."
+  exit $RESULT
 fi

ci/build-linux_fmod_steam_eos-barony.sh

@@ -83,4 +83,5 @@ make -j
 RESULT=$?
 if [ $RESULT -ne 0 ]; then
   echo "Compilation failed. Aborting."
+  exit $RESULT
 fi

src/interface/ui_general.cpp

@@ -185,10 +185,10 @@ void openURLTryWithOverlay(std::string url, bool forceSystemBrowser)
 #ifdef APPLE
 		//TODO: Mac equivalent.
 		system(std::string("open " + url).c_str());
-#endif // WINDOWS
+#endif // APPLE
 #ifdef LINUX
-		//TODO: Linux equivalent.
-#endif
+		system(std::string("xdg-open " + url).c_str());
+#endif // LINUX
 	}
 }