Cleanup formatting in our head files to be more consistent

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

src/commit.h

 #ifndef INCLUDE_commit_h__
 #define INCLUDE_commit_h__
+
 #include "git/commit.h"
 
 #include <time.h>

src/common.h

@@ -4,6 +4,7 @@
 #include "cc-compat.h"
 #include "util.h"
 #include "errors.h"
+
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>

src/errors.h

 #ifndef INCLUDE_errors_h__
 #define INCLUDE_errors_h__
+
 #include "git/errors.h"
 #include <stdlib.h>
 
@@ -15,4 +16,5 @@ GIT_INLINE(void) *git_ptr_error(int code)
 	git_errno = code;
 	return NULL;
 }
+
 #endif

src/git/errors.h

 #ifndef INCLUDE_git_errors_h__
 #define INCLUDE_git_errors_h__
+
+#include "common.h"
+#include "thread-utils.h"
+
 /**
  * @file git/errors.h
  * @brief Git error handling routines and variables
  * @ingroup Git
  * @{
  */
-
-#include "common.h"
-#include "thread-utils.h"
 GIT_BEGIN_DECL
 
 /** The git errno. */
@@ -20,6 +21,7 @@ GIT_EXTERN(int) GIT_TLS git_errno;
  * @return a string explaining the error code
  */
 GIT_EXTERN(const char *) git_strerror(int num);
+
 /** @} */
 GIT_END_DECL
 #endif

src/git/fileops.h

 #ifndef INCLUDE_git_fileops_h__
 #define INCLUDE_git_fileops_h__
 
+#include "common.h"
+
 /**
  * @file git/fileops.h
  * @brief Git platform agnostic filesystem operations
@@ -8,9 +10,8 @@
  * @ingroup Git
  * @{
  */
-
-#include "common.h"
 GIT_BEGIN_DECL
+
 /**
  * For each directory entry (except "." and ".."), run the function
  * "fn", passing it "arg" as its first argument and the path to

src/git/thread-utils.h

 #ifndef INCLUDE_git_thread_utils_h__
 #define INCLUDE_git_thread_utils_h__
+
 /*
  * How TLS works is compiler+platform dependant
  * Sources: http://en.wikipedia.org/wiki/Thread-Specific_Storage
  *          http://predef.sourceforge.net/precomp.html
  */
+
 #define GIT_HAS_TLS 1
+
 #if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || \
 	defined(__xlc__) || defined(__xlC__)
 # define GIT_TLS __thread
+
 #elif defined(__INTEL_COMPILER)
 # if defined(_WIN32) || defined(_WIN32_CE)
 #  define GIT_TLS __declspec(thread)
 # else
 #  define GIT_TLS __thread
 # endif
+
 #elif defined(_WIN32) || defined(_WIN32_CE) || defined(__BORLANDC__)
 # define GIT_TLS __declspec(thread)
+
 #else
 # undef GIT_HAS_TLS
 # define GIT_TLS /* nothing: tls vars are thread-global */