fix warning about cast realignment, WIP

common/crc32.c

@@ -23,8 +23,10 @@ void crc32_ex(const uint8_t *data, const size_t len, uint8_t *crc) {
     for (size_t i = 0; i < len; i++) {
         crc32_byte(&desfire_crc, data[i]);
     }
-
-    *((uint32_t *)(crc)) = htole32(desfire_crc);
+    uint32_t crctmp = htole32(desfire_crc);
+    for (size_t i=0; i < sizeof(uint32_t); i++) {
+        crc[i] = ((uint8_t *) &crctmp)[i];
+    }
 }
 
 void crc32_append(uint8_t *data, const size_t len) {

common/mbedtls/Makefile

@@ -1,6 +1,6 @@
 MYSRCPATHS =
 MYINCLUDES = -I. -I..
-MYCFLAGS =
+MYCFLAGS = -Wno-cast-align
 MYDEFS =
 MYSRCS = \
 	aes.c \