Work-around observed infinite loop trying to print a 0-byte file where

feof() was returning 0 and fgets() never returned NULL. Weird.

src/sbbs3/prntfile.cpp

@@ -96,11 +96,14 @@ bool sbbs_t::printfile(const char* fname, long mode, long org_cols)
 	}
 
 	length=(long)filelength(file);
-	if(length<0) {
+	if(length < 1) {
 		fclose(stream);
+		if(length < 0) {
 			errormsg(WHERE,ERR_CHK,fpath,length);
 			return false;
 		}
+		return true;
+	}
 
 	if(mode&P_OPENCLOSE) {
 		if((buf=(char*)malloc(length+1L))==NULL) {