Fix cpluspluscheck for "Change gist stratnum function to use CompareType"

Commit 630f9a43cec introduced an enum forward declaration, which
doesn't work in C++.  To fix, just include the header file to get the
type.

diff --git a/src/include/access/gist.h b/src/include/access/gist.h
index 446871263f63af79babe0c02caf8ed28af433f92..2f419a3b30910783b3df3342582b120b7fd04adb 100644 (file)
--- a/src/include/access/gist.h
+++ b/src/include/access/gist.h
@@ -21,6 +21,7 @@
 #include "access/transam.h"
 #include "access/xlog.h"
 #include "access/xlogdefs.h"
+#include "nodes/primnodes.h"
 #include "storage/block.h"
 #include "storage/bufpage.h"
 #include "utils/relcache.h"
@@ -247,7 +248,6 @@ typedef struct
        do { (e).key = (k); (e).rel = (r); (e).page = (pg); \
                 (e).offset = (o); (e).leafkey = (l); } while (0)
 
-enum CompareType;
-extern StrategyNumber GistTranslateStratnum(Oid opclass, enum CompareType cmp);
+extern StrategyNumber GistTranslateStratnum(Oid opclass, CompareType cmp);
 
 #endif                                                 /* GIST_H */