FREE_AR and nular are not required for SCFG now.

src/sbbs3/scfglib.h

@@ -52,17 +52,17 @@ extern "C" {
 #endif
 
 extern const char*	scfgnulstr;
-extern const uchar* nular;
 
 #define FREE_AND_NULL(x) if(x!=NULL) { FREE(x); x=NULL; }
 
-/* allocated with arstr() */	
-#define FREE_AR(x)		if(x!=NULL && x!=nular)	{ FREE(x); x=NULL; }
-
 #if defined(SCFG)	/* Don't compile AR strings for SCFG */
 	#define ARSTR(str,cfg)	NULL
+    #define FREE_AR(x)
 #else
+	extern const uchar* nular;
 	#define ARSTR(str,cfg)	arstr(NULL,str,cfg)
+	/* allocated with arstr() */
+	#define FREE_AR(x)		if(x!=NULL && x!=nular)	{ FREE(x); x=NULL; }
 #endif
 
 char*	get_alloc(long *offset, char *outstr, int maxlen, FILE *instream);