Optimize the code a bit.

engine/memobj.c

@@ -532,12 +532,12 @@ PH7_PRIVATE sxi32 PH7_MemObjToResource(ph7_value *pObj) {
  */
 PH7_PRIVATE sxi32 PH7_MemObjToString(ph7_value *pObj) {
 	sxi32 rc = SXRET_OK;
-	if(pObj->iFlags & MEMOBJ_CALL) {
-		MemObjSetType(pObj, MEMOBJ_STRING);
-	} else if((pObj->iFlags & MEMOBJ_STRING) == 0) {
-		/* Perform the conversion */
-		SyBlobReset(&pObj->sBlob); /* Reset the internal buffer */
-		rc = MemObjStringValue(&pObj->sBlob, &(*pObj), TRUE);
+	if((pObj->iFlags & MEMOBJ_STRING) == 0) {
+		if((pObj->iFlags & MEMOBJ_CALL) == 0) {
+			/* Perform the conversion */
+			SyBlobReset(&pObj->sBlob); /* Reset the internal buffer */
+			rc = MemObjStringValue(&pObj->sBlob, &(*pObj), TRUE);
+		}
 		MemObjSetType(pObj, MEMOBJ_STRING);
 	}
 	return rc;