Found stc macro def issue for sitl build on travis.

src/lib/launchdetection/CatapultLaunchMethod.cpp

@@ -41,6 +41,7 @@
 
 #include "CatapultLaunchMethod.h"
 #include <systemlib/err.h>
+#define __STDC_FORMAT_MACROS 1
 #include <inttypes.h>
 
 namespace launchdetection

src/platforms/posix/drivers/gpssim/gpssim.cpp

@@ -37,6 +37,7 @@
  */
 
 #include <sys/types.h>
+#define __STDC_FORMAT_MACROS
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdbool.h>