Index: ext/rtree/geopoly.c
==================================================================
--- ext/rtree/geopoly.c
+++ ext/rtree/geopoly.c
@@ -144,12 +144,12 @@
 
 /* Parse out a number.  Write the value into *pVal if pVal!=0.
 ** return non-zero on success and zero if the next token is not a number.
 */
 static int geopolyParseNumber(GeoParse *p, GeoCoord *pVal){
-  const unsigned char *z = p->z;
   char c = geopolySkipSpace(p);
+  const unsigned char *z = p->z;
   int j;
   int seenDP = 0;
   int seenE = 0;
   assert( '-' < '0' );
   if( c<='0' ){