examples/udpblaster/Makefile:  change UDPBLASTER_PROGNAME to CONFIG_UDPBLASTER_PROGNAME to fix the compile error:
apps\include" -Dmain  udpblaster_target.c -o  udpblaster_target.o
<command-line>:0:6: error: expected identifier or '(' before numeric constant
udpblaster_target.c:196:5: note: in expansion of macro 'main'
int main(int argc, FAR char *argv[])
@@ -50,7 +50,7 @@ HOST_BIN = host
# NET test built-in application info
-PROGNAME = $(CONFIG_UDPBLASTER_PROGNAME)
+PROGNAME = $(CONFIG_EXAMPLES_UDPBLASTER_PROGNAME)
PRIORITY = $(CONFIG_EXAMPLES_UDPBLASTER_PRIORITY)
STACKSIZE = $(CONFIG_EXAMPLES_UDPBLASTER_STACKSIZE)
