libgvc: Fix `cheader_filename` of the `Gvc` namespace

The .pc only adds `${includedir}/graphviz` to the include path.

diff --git a/vapi/libgvc.vapi b/vapi/libgvc.vapi
index ab9e5ffb7865e93226eeb972c0529fc60a37ee4b..b128a02adcb7937ccb4754dbcd240902497ed143 100644 (file)
--- a/vapi/libgvc.vapi
+++ b/vapi/libgvc.vapi
@@ -21,10 +21,10 @@
  *      Martin Olsson <martin@minimum.se>
  */
 
-[CCode (cprefix = "", lower_case_cprefix = "", cheader_filename = "graphviz/gvc.h")]
+[CCode (cprefix = "", lower_case_cprefix = "", cheader_filename = "gvc.h")]
 namespace Gvc {
 
-       [CCode (cname = "aginitlib", cheader_filename="gvc.h")]
+       [CCode (cname = "aginitlib")]
        public void initlib ( size_t graphinfo, size_t nodeinfo, size_t  edgeinfo);
 
        [CCode (cname = "aginit")]
@@ -55,7 +55,7 @@ namespace Gvc {
        }
 #endif
 
-       [CCode (cname = "agerrlevel_t", cheader_filename = "gvc.h", cprefix = "", has_type_id = false)]
+       [CCode (cname = "agerrlevel_t", cprefix = "", has_type_id = false)]
        public enum ErrorLevel {
                AGWARN,
                AGERR,