app_speech_utils: Fix unresolved symbol ast_speech_get_setting().

Fixes regression introduced by -r374096.

* Made res_speech.export.in export ast_* symbols instead of specific
functions.

* Made app_speech_utils.c declare that it is dependent upon res_speech.

(issue ASTERISK-17136)
Reported by: Richard Kenner
........

Merged revisions 399197 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@399198 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_speech_utils.c

@@ -27,6 +27,7 @@
 
 /*** MODULEINFO
 	<support_level>core</support_level>
+	<depend>res_speech</depend>
  ***/
 
 #include "asterisk.h"

res/res_speech.exports.in

@@ -1,21 +1,6 @@
 {
 	global:
-		LINKER_SYMBOL_PREFIXast_speech_change;
-		LINKER_SYMBOL_PREFIXast_speech_change_results_type;
-		LINKER_SYMBOL_PREFIXast_speech_change_state;
-		LINKER_SYMBOL_PREFIXast_speech_destroy;
-		LINKER_SYMBOL_PREFIXast_speech_dtmf;
-		LINKER_SYMBOL_PREFIXast_speech_grammar_activate;
-		LINKER_SYMBOL_PREFIXast_speech_grammar_deactivate;
-		LINKER_SYMBOL_PREFIXast_speech_grammar_load;
-		LINKER_SYMBOL_PREFIXast_speech_grammar_unload;
-		LINKER_SYMBOL_PREFIXast_speech_new;
-		LINKER_SYMBOL_PREFIXast_speech_register;
-		LINKER_SYMBOL_PREFIXast_speech_results_free;
-		LINKER_SYMBOL_PREFIXast_speech_results_get;
-		LINKER_SYMBOL_PREFIXast_speech_start;
-		LINKER_SYMBOL_PREFIXast_speech_unregister;
-		LINKER_SYMBOL_PREFIXast_speech_write;
+		LINKER_SYMBOL_PREFIXast_*;
 	local:
 		*;
 };