dot: fix declaration of 'MemTest'

This variable, declared in globals.h is an `int`, not a `boolean` (a.k.a.
`unsigned char`).

diff --git a/cmd/dot/dot.c b/cmd/dot/dot.c
index 107d19d3a34c8adc39f6472db779e53113028112..5caade0c2d42d308e8dddf86a20c2558220bfbd8 100644 (file)
--- a/cmd/dot/dot.c
+++ b/cmd/dot/dot.c
@@ -19,7 +19,7 @@
 #include <gvc/gvio.h>
 
 #ifdef WIN32_DLL
-__declspec(dllimport) extern boolean MemTest;
+__declspec(dllimport) extern int MemTest;
 __declspec(dllimport) extern int GvExitOnUsage;
 /*gvc.lib cgraph.lib*/
 #else   /* not WIN32_DLL */