backport Kevin's change make background white so doesn't look surreal in pdf

git-svn-id: http://svn.osgeo.org/postgis/branches/1.4@4800 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/html/image_src/generator.c b/doc/html/image_src/generator.c
index a37081e31dd91bd8adce88d012ec2bd655d0092d..dcd8542b94b0dbcce39933566812c6f4fed80ddf 100644 (file)
--- a/doc/html/image_src/generator.c
+++ b/doc/html/image_src/generator.c
@@ -275,7 +275,7 @@ flattenLayers(char* filename)
 {
        char *str;
        str = malloc( (48 + strlen(filename) + 1) * sizeof(char) );
-       sprintf(str, "convert tmp[0-9].png -background none -flatten %s", filename);
+       sprintf(str, "convert tmp[0-9].png -background white -flatten %s", filename);
 
        LWDEBUGF(4, "%s", str);
        system(str);