place bruteforce lib with em4x50 in Makefile

armsrc/Makefile

@@ -46,7 +46,6 @@ SRC_CRC = crc.c crc16.c crc32.c
 SRC_ICLASS = iclass.c optimized_cipherutils.c optimized_ikeys.c optimized_elite.c optimized_cipher.c
 SRC_LEGIC = legicrf.c legicrfsim.c legic_prng.c
 SRC_NFCBARCODE = thinfilm.c
-SRC_BRUTEFORCE = bruteforce.c
 
 #   SRC_BEE = bee.c
 
@@ -78,7 +77,7 @@ else
 endif
 
 ifneq (,$(findstring WITH_EM4x50,$(APP_CFLAGS)))
-	SRC_EM4x50 = em4x50.c
+	SRC_EM4x50 = em4x50.c bruteforce.c
 else
 	SRC_EM4x50 =
 endif
@@ -144,7 +143,6 @@ THUMBSRC = start.c \
     $(SRC_FELICA) \
     $(SRC_STANDALONE) \
     $(SRC_ZX) \
-    $(SRC_BRUTEFORCE) \
     appmain.c \
     printf.c \
     dbprint.c \