profiler: rtlib: fix gcc warnings

Author: jayrm

src/rtlib/profile.c

@@ -395,7 +395,11 @@ FB_PROFILER_GLOBAL *PROFILER_GLOBAL_create( void ) {
 
 		time( &rawtime );
 		ptm = localtime( &rawtime );
-		sprintf( fb_profiler->launch_time, "%02d-%02d-%04d, %02d:%02d:%02d", 1+ptm->tm_mon, ptm->tm_mday, 1900+ptm->tm_year, ptm->tm_hour, ptm->tm_min, ptm->tm_sec );
+		snprintf( fb_profiler->launch_time, sizeof(fb_profiler->launch_time),
+		         "%02d-%02d-%04d, %02d:%02d:%02d",
+		         (int)(1+ptm->tm_mon), (int)(ptm->tm_mday), (int)(1900+ptm->tm_year),
+		         (int)ptm->tm_hour, (int)ptm->tm_min, (int)ptm->tm_sec );
+		fb_profiler->launch_time[sizeof(fb_profiler->launch_time)-1] = '\0';
 	}
 	return fb_profiler;
 }

src/rtlib/profile_cycles.c

@@ -17,8 +17,8 @@
 #endif
 
 /* profile section data */
-extern int __start_fb_profilecycledata;
-extern int __stop_fb_profilecycledata;
+extern char __start_fb_profilecycledata;
+extern char __stop_fb_profilecycledata;
 
 /* profiler record ids - these indicate what the record is */
 enum FB_PROFILE_REDORD_ID