always build json statically

Author: remicollet

ext/json/config.m4

@@ -6,6 +6,6 @@ PHP_NEW_EXTENSION(json,
 	  json_encoder.c \
 	  json_parser.tab.c \
 	  json_scanner.c,
-	  $ext_shared,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
+	  no,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
 PHP_INSTALL_HEADERS([ext/json], [php_json.h php_json_parser.h php_json_scanner.h])
 PHP_ADD_MAKEFILE_FRAGMENT()