httpd: support env var SCRIPT_FILENAME

[Dirk Clemens]

php needs the Variable SCRIPT_FILENAME.
And here is the patch:

@@ -1179,6 +1185,8 @@
       argp[0] = strrchr( purl, '/' ) + 1;
        /* but script argp[0] must have absolute path and chdiring to
this */
       if(realpath(purl + 1, realpath_buff) != NULL) {
+           // now we can set SCRIPT_FILENAME
+           addEnv("SCRIPT_FILENAME","",realpath_buff);
            script = strrchr(realpath_buff, '/');
            if(script) {
                *script = '\0';


Dirk