Remove some useless cruft that appears to be leftover from the time when help

files were external to the executable (to conserve that precious 640KB of RAM!)
Some more use of SAFEPRINTF for good mesaure.

src/sbbs3/scfg/scfg.c

@@ -431,26 +431,13 @@ int main(int argc, char **argv)
 		if((mopt[i]=(char *)malloc(64))==NULL)
 			allocfail(64);
 
-	if((p=getenv("SBBSEXEC"))!=NULL)
-		SAFECOPY(str,p);
-	else {
-		SAFECOPY(str,exepath);
-		p=strrchr(str,'/');
-		if(p==NULL)
-			p=strrchr(str,'\\');
-		if(p!=NULL)
-			*p=0;
-		else 
-	   		sprintf(str,"%s../exec",cfg.ctrl_dir);
-	}
-
-	sprintf(str,"Synchronet for %s v%s",PLATFORM_DESC,VERSION);
+	SAFEPRINTF2(str,"Synchronet for %s v%s",PLATFORM_DESC,VERSION);
 	if(uifc.scrn(str)) {
 		printf(" USCRN (len=%d) failed!\n",uifc.scrn_len+1);
 		bail(1);
 	}
 
-	sprintf(str,"%smain.cnf",cfg.ctrl_dir);
+	SAFEPRINTF(str,"%smain.cnf",cfg.ctrl_dir);
 	if(!fexist(str)) {
 		sprintf(errormsg,"Main configuration file (%s) missing!",str);
 		uifc.msg(errormsg);