Include stdint.h to use int16_t

Author: vinayakdsci

libc/include/CMakeLists.txt

@@ -45,7 +45,7 @@ add_gen_header(
     .llvm-libc-types.mode_t
     .llvm-libc-types.struct_flock
     .llvm-libc-types.struct_flock64
-    .llvm-libc-types.off64
+    .llvm-libc-types.off64_t
     .llvm-libc-types.pid_t
     .llvm-libc-types.off_t
     .llvm_libc_common_h

libc/include/llvm-libc-types/struct_flock.h

@@ -12,9 +12,11 @@
 #include "llvm-libc-types/off_t.h"
 #include "llvm-libc-types/pid_t.h"
 
+#include <stdint.h>
+
 struct flock {
-  short int l_type;
-  short int l_whence;
+  int16_t l_type;
+  int16_t l_whence;
   off_t l_start;
   off_t l_len;
   pid_t l_pid;

libc/include/llvm-libc-types/struct_flock64.h

@@ -12,9 +12,11 @@
 #include "llvm-libc-types/off64_t.h"
 #include "llvm-libc-types/pid_t.h"
 
+#include <stdint.h>
+
 struct flock64 {
-  short int l_type;
-  short int l_whence;
+  int16_t l_type;
+  int16_t l_whence;
   off64_t l_start;
   off64_t l_len;
   pid_t l_pid;