[lib][Obvious] Fix style in a few include directives.

Author: Siva Chandra Reddy

libc/loader/linux/aarch64/CMakeLists.txt

@@ -6,7 +6,6 @@ add_loader_object(
     libc.config.linux.app_h
     libc.include.sys_syscall
     libc.src.__support.OSUtil.osutil
-    libc.src.string.memcpy
   COMPILE_OPTIONS
     -fno-omit-frame-pointer
     -ffreestanding # To avoid compiler warnings about calling the main function.

libc/loader/linux/aarch64/start.cpp

@@ -7,12 +7,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "config/linux/app.h"
-#include "include/sys/syscall.h"
 #include "src/__support/OSUtil/syscall.h"
 
 #include <linux/auxvec.h>
 #include <linux/elf.h>
 #include <stdint.h>
+#include <sys/syscall.h>
 
 extern "C" int main(int, char **, char **);
 

libc/loader/linux/x86_64/CMakeLists.txt

@@ -4,6 +4,7 @@ add_loader_object(
     start.cpp
   DEPENDS
     libc.config.linux.app_h
+    libc.include.sys_mman
     libc.include.sys_syscall
     libc.src.__support.OSUtil.osutil
     libc.src.string.memcpy

libc/loader/linux/x86_64/start.cpp

@@ -7,15 +7,15 @@
 //===----------------------------------------------------------------------===//
 
 #include "config/linux/app.h"
-#include "include/sys/mman.h"
-#include "include/sys/syscall.h"
 #include "src/__support/OSUtil/syscall.h"
 #include "src/string/memcpy.h"
 
 #include <asm/prctl.h>
 #include <linux/auxvec.h>
 #include <linux/elf.h>
 #include <stdint.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
 
 extern "C" int main(int, char **, char **);
 

libc/src/__support/OSUtil/linux/io.h

@@ -9,10 +9,11 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
 #define LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
 
-#include "include/sys/syscall.h" // For syscall numbers.
 #include "src/string/string_utils.h"
 #include "syscall.h" // For internal syscall function.
 
+#include <sys/syscall.h> // For syscall numbers.
+
 namespace __llvm_libc {
 
 static inline void write_to_stderr(const char *msg) {

libc/src/__support/OSUtil/linux/quick_exit.h

@@ -9,9 +9,10 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_QUICK_EXIT_H
 #define LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_QUICK_EXIT_H
 
-#include "include/sys/syscall.h" // For syscall numbers.
 #include "syscall.h"             // For internal syscall function.
 
+#include <sys/syscall.h> // For syscall numbers.
+
 namespace __llvm_libc {
 
 static inline void quick_exit(int status) {