corrected gps summary to use a stingized float for the compass bearing.

Also fixed another warning.

openrtx/src/core/voicePromptUtils.c

@@ -507,12 +507,16 @@ void announceGPSInfo(VoicePromptQueueFlags_T flags)
 	vpQueuePrompt(PROMPT_SPEED);
 	snprintf(buffer, 16, "%4.1fkm/h", state.gps_data.speed);
 	vpQueueString(buffer, vpAnnounceCommonSymbols);
+	
 	vpQueuePrompt(PROMPT_ALTITUDE);
 	snprintf(buffer, 16, "%4.1fm", state.gps_data.altitude);
 	vpQueueString(buffer, vpAnnounceCommonSymbols);
+	
 	vpQueuePrompt(PROMPT_COMPASS);
-	vpQueueInteger(state.gps_data.tmg_true);
+	snprintf(buffer, 16, "%3.1f", state.gps_data.tmg_true);
+	vpQueueString(buffer, vpAnnounceCommonSymbols);
 	vpQueuePrompt(PROMPT_DEGREES);
+	
 	vpQueuePrompt(PROMPT_SATELLITES);
 	vpQueueInteger(__builtin_popcount(state.gps_data.active_sats));
 	

openrtx/src/ui/UIStrings.c

@@ -20,6 +20,7 @@
 /*
 This string table's order must not be altered as voice prompts will be indexed in the same order as these strings.
 */
+#include <string.h>
 #include "ui/UIStrings.h"
  #include "ui/EnglishStrings.h"
  #include <stdint.h>