use macro for EXTERN "C" begin and end lines in header files to clean up the headers, and to eliminate a format bug in emacs.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1291 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_console.h

@@ -39,12 +39,10 @@
 #ifndef SWITCH_CONSOLE_H
 #define SWITCH_CONSOLE_H
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #include <switch.h>
 
+BEGIN_EXTERN_C
+
 /*!
   \brief A simple comand loop that reads input from the terminal
 */
@@ -55,8 +53,6 @@ SWITCH_DECLARE(void) switch_console_loop(void);
 */
 SWITCH_DECLARE(void) switch_console_printf(switch_text_channel channel, char *file, const char *func, int line, char *fmt, ...);
 
-#ifdef __cplusplus
-}
-#endif
+END_EXTERN_C
 
 #endif