Use clang-formatter to format source code

.clang-format

@@ -0,0 +1,13 @@
+---
+Language: Cpp
+BasedOnStyle: Google
+Standard: Cpp11
+ColumnLimit: 0
+AlignTrailingComments: false
+NamespaceIndentation: All
+DerivePointerAlignment: false
+AlwaysBreakBeforeMultilineStrings: false
+AccessModifierOffset: -2
+ObjCSpaceBeforeProtocolList: true
+SortIncludes: false
+...

GCDWebServer/Core/GCDWebServer.h

@@ -575,22 +575,22 @@ extern NSString* const GCDWebServerAuthenticationMethod_DigestAccess;
 /**
  *  Logs a message to the logging facility at the VERBOSE level.
  */
-- (void)logVerbose:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logVerbose:(NSString*)format, ... NS_FORMAT_FUNCTION(1, 2);
 
 /**
  *  Logs a message to the logging facility at the INFO level.
  */
-- (void)logInfo:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logInfo:(NSString*)format, ... NS_FORMAT_FUNCTION(1, 2);
 
 /**
  *  Logs a message to the logging facility at the WARNING level.
  */
-- (void)logWarning:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logWarning:(NSString*)format, ... NS_FORMAT_FUNCTION(1, 2);
 
 /**
  *  Logs a message to the logging facility at the ERROR level.
  */
-- (void)logError:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logError:(NSString*)format, ... NS_FORMAT_FUNCTION(1, 2);
 
 @end