zsh: fix a memory leak (this is usefull as this program seems to fail on OOM).

extras/analyser/zsh.cpp

@@ -198,6 +198,7 @@ void PrintModuleList( mumap &mods, mcmap &mods2 )
 
     }
     printf( "\"\n\n" );
+    module_list_free( p_list );
     return;
 }