Move 32-bit swap code into miner.h, for sharing.

miner.h

@@ -22,6 +22,17 @@
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 #endif
 
+#define ___constant_swab32(x) ((uint32_t)(                       \
+        (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) |            \
+        (((uint32_t)(x) & (uint32_t)0x0000ff00UL) <<  8) |            \
+        (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >>  8) |            \
+        (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
+
+static inline uint32_t swab32(uint32_t v)
+{
+	return ___constant_swab32(v);
+}
+
 extern bool opt_debug;
 extern bool opt_protocol;
 extern const uint32_t sha256_init_state[];

sha256_via.c

@@ -8,17 +8,6 @@
 
 #ifdef WANT_VIA_PADLOCK
 
-#define ___constant_swab32(x) ((uint32_t)(                       \
-        (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) |            \
-        (((uint32_t)(x) & (uint32_t)0x0000ff00UL) <<  8) |            \
-        (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >>  8) |            \
-        (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
-
-static inline uint32_t swab32(uint32_t v)
-{
-	return ___constant_swab32(v);
-}
-
 static void via_sha256(void *hash, void *buf, unsigned len)
 {
 	unsigned stat = 0;