fix clang-tidy-bugprone-string-constructor warning

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@7829 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 42896007522ff0420c739938106d7cbaa2eba77d
Former-commit-id: 03634acca83ab628fcfa90d3aeb6927db25a1761

src/modules/userinterface/legacymenu/racescreens/networkingmenu.cpp

@@ -177,7 +177,7 @@ GetTrackName(const char *category, const char *trackName)
         name = GfParmGetStr(trackHandle, TRK_SECT_HDR, TRK_ATT_NAME, trackName);
     } else {
         GfTrace("Could not read file %s\n", buf);
-        return 0;
+        return name;
     }
 
     GfParmReleaseHandle(trackHandle);