minor preprocessor changes for MinGW

diff --git a/plugin/gd/gvrender_gd.c b/plugin/gd/gvrender_gd.c
index d648c049ab9b694aeb4e7fb03b96debb8cde4d8f..8f44017c76782151488274c7d9138618310c57bc 100644 (file)
--- a/plugin/gd/gvrender_gd.c
+++ b/plugin/gd/gvrender_gd.c
@@ -211,12 +211,16 @@ static void gdgen_end_page(GVJ_t * job)
        case FORMAT_GD:
            gdImageGd(im, job->output_file);
            break;
+
+#ifdef HAVE_LIBZ
        case FORMAT_GD2:
 #define GD2_CHUNKSIZE 128
 #define GD2_RAW 1
 #define GD2_COMPRESSED 2
            gdImageGd2(im, job->output_file, GD2_CHUNKSIZE, GD2_COMPRESSED);
            break;
+#endif
+
        case FORMAT_XBM:
 #if 0
 /* libgd support only reading .xpm files */
@@ -659,7 +663,10 @@ gvplugin_installed_t gvdevice_gd_types2[] = {
 #endif
 
     {FORMAT_GD, "gd:gd", 1, NULL, &device_features_gd_tc_no_writer},
+    
+#ifdef HAVE_LIBZ
     {FORMAT_GD2, "gd2:gd", 1, NULL, &device_features_gd_tc_no_writer},
+#endif
 
 #if 0
 /* libgd has no support for xbm as output */