Application.mk and main.c files: Change builtin's entry point from main to xxx_main by macro expansion. This change make the entry point fully compliant with POSIX/ANSI standard.

testing/smart/Makefile

@@ -37,13 +37,11 @@ include $(TOPDIR)/Make.defs
 
 # SMART file system stress test
 
-APPNAME = smart
+PROGNAME = smart
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
+MODULE = $(CONFIG_TESTING_SMART)
 
 MAINSRC = smart_main.c
 
-CONFIG_XYZ_PROGNAME ?= smart$(EXEEXT)
-PROGNAME = $(CONFIG_XYZ_PROGNAME)
-
-MODULE = CONFIG_TESTING_SMART
-
 include $(APPDIR)/Application.mk

testing/smart/smart_main.c

@@ -791,11 +791,7 @@ static int smart_directory(void)
  * Name: smart_main
  ****************************************************************************/
 
-#ifdef BUILD_MODULE
 int main(int argc, FAR char *argv[])
-#else
-int smart_main(int argc, char *argv[])
-#endif
 {
   FAR struct mtd_dev_s *mtd;
   unsigned int i;