remove accumulated stray trailing whitespace

editors/vi.c

@@ -2404,7 +2404,7 @@ static int file_size(const char * fn) // what is the byte size of "fn"
 	return cnt;
 }
 
-static int file_insert(char * fn, char * p) 
+static int file_insert(char *fn, char *p)
 {
 	int cnt = -1;
 	int fd, size;