Compilation fixes on specific platforms (e.g. debian 8)

pearson.c

@@ -79,8 +79,10 @@ void pearson_hash_256 (uint8_t *out, const uint8_t *in, size_t len) {
   uint8_t upper[8] = { 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08 };
   uint8_t lower[8] = { 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00 };
 
-	uint64_t upper_hash_mask = *(uint64_t*)&upper;
-	uint64_t lower_hash_mask = *(uint64_t*)&lower;
+  uint64_t *upper_hash_mask_ptr = (uint64_t*)&upper;
+  uint64_t *lower_hash_mask_ptr = (uint64_t*)&lower;
+  uint64_t upper_hash_mask = *upper_hash_mask_ptr;
+  uint64_t lower_hash_mask = *lower_hash_mask_ptr;
   uint64_t high_upper_hash_mask = upper_hash_mask + 0x1010101010101010;
   uint64_t high_lower_hash_mask = lower_hash_mask + 0x1010101010101010;
 
@@ -88,8 +90,9 @@ void pearson_hash_256 (uint8_t *out, const uint8_t *in, size_t len) {
   uint64_t lower_hash = 0;
   uint64_t high_upper_hash = 0;
   uint64_t high_lower_hash = 0;
+  size_t i;
 
-	for (size_t i = 0; i < len; i++) {
+  for (i = 0; i < len; i++) {
     // broadcast the character, xor into hash, make them different permutations
     uint64_t c = (uint8_t)in[i];
     c |= c <<  8;
@@ -168,13 +171,16 @@ void pearson_hash_128 (uint8_t *out, const uint8_t *in, size_t len) {
   uint8_t upper[8] = { 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08 };
   uint8_t lower[8] = { 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00 };
 
-	uint64_t upper_hash_mask = *(uint64_t*)&upper;
-	uint64_t lower_hash_mask = *(uint64_t*)&lower;
+  uint64_t *upper_hash_mask_ptr = (uint64_t*)&upper;
+  uint64_t *lower_hash_mask_ptr = (uint64_t*)&lower;
+  uint64_t upper_hash_mask = *upper_hash_mask_ptr;
+  uint64_t lower_hash_mask = *lower_hash_mask_ptr;
 
   uint64_t upper_hash = 0;
   uint64_t lower_hash = 0;
+  size_t i;
 
-	for (size_t i = 0; i < len; i++) {
+  for (i = 0; i < len; i++) {
     // broadcast the character, xor into hash, make them different permutations
     uint64_t c = (uint8_t)in[i];
     c |= c <<  8;