add include to make r89084 nicer

git-svn-id: https://svn.r-project.org/R/trunk@89085 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: murrell

src/main/engine.c

@@ -31,18 +31,8 @@
 
 # include <rlocale.h>
 
-/*
- * Formerly R_ext/GraphicsEngine.h
- */
-double R_GE_VStrWidth(const char *s, cetype_t enc, const pGEcontext gc, pGEDevDesc dd);
-
-double R_GE_VStrHeight(const char *s, cetype_t enc, const pGEcontext gc, pGEDevDesc dd);
-void R_GE_VText(double x, double y, const char * const s, cetype_t enc,
-		double x_justify, double y_justify, double rotation,
-		const pGEcontext gc, pGEDevDesc dd);
-/*
- * (End from R_ext/GraphicsEngine.h)
- */
+/* Hershey functions */
+#include "g_extern.h"
 
 int R_GE_getVersion(void)
 {

src/main/g_extern.h

@@ -135,6 +135,17 @@ extern const struct plTypefaceInfoStruct _hershey_typeface_info[];
 extern unsigned short * _controlify (pGEDevDesc, const unsigned char *,
 				     int, int);
 
+/* PAUL MURRELL
+   Used by engine.c
+*/
+extern double R_GE_VStrWidth(const char *s, cetype_t enc, 
+                             const pGEcontext gc, pGEDevDesc dd);
+extern double R_GE_VStrHeight(const char *s, cetype_t enc, 
+                              const pGEcontext gc, pGEDevDesc dd);
+extern void R_GE_VText(double x, double y, const char * const s, cetype_t enc,
+                       double x_justify, double y_justify, double rotation,
+                       const pGEcontext gc, pGEDevDesc dd);
+
 /* PAUL MURRELL
    Removed heaps below here
 */