Cosmetics, fix a few warnings, add a few memleaks (but we don't care do we?)

extras/zsh.cpp

@@ -197,7 +197,7 @@ void PrintModuleList( libvlc_int_t *p_libvlc, mmap &mods, mcmap &mods2 )
 
 void ParseOption( module_config_t *p_item, mmap &mods, mcmap &mods2 )
 {
-    char *psz_arguments = "";
+    char *psz_arguments = strdup( "" );
     char *psz_exclusive;
     char *psz_option;
     char *psz_name;
@@ -292,10 +292,10 @@ void ParseOption( module_config_t *p_item, mmap &mods, mcmap &mods2 )
         break;
 
     case CONFIG_ITEM_FILE:
-        psz_arguments = "_files";
+        psz_arguments = strdup( "_files" );
         break;
     case CONFIG_ITEM_DIRECTORY:
-        psz_arguments = "_files -/";
+        psz_arguments = strdup( "_files -/" );
         break;
 
     case CONFIG_ITEM_INTEGER:
@@ -421,7 +421,7 @@ void PrintOption( char *psz_option, char i_short, char *psz_exclusive,
         strchr( psz_longtext, '(' ) ) psz_longtext = psz_text;
     if( i_short )
     {
-        if( !psz_exclusive ) psz_exclusive = "";
+        if( !psz_exclusive ) psz_exclusive = strdup( "" );
         else asprintf( &psz_exclusive, " %s", psz_exclusive );
         printf( "  \"(-%c%s)--%s%s[%s]", i_short, psz_exclusive,
                 psz_option, psz_args?"=":"", psz_text );