Fix clint.sh wrapper script and broken files

- Fixed clint.sh, it no longer ignores errors in individual files.
- Fixed two files that weren't passing the clint test

scripts/clint.sh

@@ -1,5 +1,9 @@
 #!/bin/sh
 
 for file in $(cat clint-files.txt); do
-	./clint.py $file
+	./clint.py $file || fail=1
 done
+
+if [ -n "$fail" ]; then
+	exit 1
+fi

src/os/input.h

@@ -14,7 +14,7 @@ bool os_char_avail(void);
 void os_breakcheck(void);
 
 /// Test whether a file descriptor refers to a terminal.
-/// 
+///
 /// @param fd File descriptor.
 /// @return `true` if file descriptor refers to a terminal.
 bool os_isatty(int fd);

src/os/rstream.c

@@ -235,7 +235,7 @@ static void fread_idle_cb(uv_idle_t *handle)
   // the offset argument to uv_fs_read is int64_t, could someone really try
   // to read more than 9 quintillion (9e18) bytes?
   // DISABLED TO FIX BROKEN BUILD ON 32bit
-  // TODO Review types to allow assertion
+  // TODO(elmart): Review types to allow assertion
   // assert(rstream->fpos <= INT64_MAX);
 
   // Synchronous read