allow space after filename in play_and_detect_speech

src/mod/applications/mod_dptools/mod_dptools.c

@@ -464,6 +464,7 @@ SWITCH_STANDARD_APP(play_and_detect_speech_function)
 	char *lbuf = NULL;
 	const char *response = "DONE";
 	char *detect = NULL;
+	char *s;
 
 	switch_channel_set_variable(channel, "detect_speech_result", "");
 
@@ -474,6 +475,12 @@ SWITCH_STANDARD_APP(play_and_detect_speech_function)
 		goto done;
 	}
 
+	/* trim any trailing space */
+	s = detect;
+	while (--s >= lbuf && switch_isspace(*s)) {
+		*s = '\0';
+	}
+
 	/* split input at "detect:" */
 	detect[0] = '\0';
 	detect += 7;