i have no idea how gcc/msvc both didn't catch the return false from earlier

--HG--
branch : sourcemod-1.0.x
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/branches/sourcemod-1.0.x%402006

core/systems/LibrarySys.cpp

@@ -320,6 +320,7 @@ ILibrary *LibrarySystem::OpenLibrary(const char *path, char *error, size_t maxle
 	if (lib == NULL)
 	{
 		GetLoaderError(error, maxlength);
+		return NULL;
 	}
 
 	return new CLibrary(lib);