some changes from mmurdock

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3899 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_utils.h

@@ -180,6 +180,13 @@ switch_mutex_unlock(obj->flag_mutex);
 #define switch_yield(ms) apr_sleep(ms); //apr_thread_yield();
 #endif
 
+/*!
+  \brief Converts a string representation of a date into a switch_time_t
+  \param in the string
+  \return the epoch time in usec
+*/
+SWITCH_DECLARE(switch_time_t) switch_str_time(char *in);
+
 /*!
   \brief Declares a function designed to set a dymaic global string
   \param fname the function name to declare