dnsapi: Remove unneeded casts

[Andrew Talbot]

Changelog:
    dnsapi: Remove unneeded casts.

diff --git a/dlls/dnsapi/ns_parse.c b/dlls/dnsapi/ns_parse.c
index 6786909..b5884bf 100644
--- a/dlls/dnsapi/ns_parse.c
+++ b/dlls/dnsapi/ns_parse.c
@@ -51,7 +51,7 @@ static void	setsection(ns_msg *msg, ns_sect sect);
 #endif
 
 #define DNS_NS_GET16(s, cp) do { \
-    register const u_char *t_cp = (const u_char *)(cp); \
+    register const u_char *t_cp = (cp); \
     (s) = ((WORD)t_cp[0] << 8) \
         | ((WORD)t_cp[1]) \
         ; \
@@ -59,7 +59,7 @@ static void	setsection(ns_msg *msg, ns_sect sect);
 } while (0)
 
 #define DNS_NS_GET32(l, cp) do { \
-    register const u_char *t_cp = (const u_char *)(cp); \
+    register const u_char *t_cp = (cp); \
     (l) = ((DWORD)t_cp[0] << 24) \
         | ((DWORD)t_cp[1] << 16) \
         | ((DWORD)t_cp[2] << 8) \
diff --git a/dlls/dnsapi/query.c b/dlls/dnsapi/query.c
index 60e7456..7ca08a0 100644
--- a/dlls/dnsapi/query.c
+++ b/dlls/dnsapi/query.c
@@ -279,13 +279,13 @@ static DNS_STATUS dns_copy_rdata( ns_msg msg, const ns_rr *rr, DNS_RECORDA *r, W
     {
         /* FIXME: byte order? */
         r->Data.KEY.wFlags      = *(const WORD *)pos;   pos += sizeof(WORD);
-        r->Data.KEY.chProtocol  = *(const BYTE *)pos++;
-        r->Data.KEY.chAlgorithm = *(const BYTE *)pos++;
+        r->Data.KEY.chProtocol  = *pos++;
+        r->Data.KEY.chAlgorithm = *pos++;
 
         size = rr->rdata + rr->rdlength - pos;
 
         for (i = 0; i < size; i++)
-            r->Data.KEY.Key[i] = *(const BYTE *)pos++;
+            r->Data.KEY.Key[i] = *pos++;
 
         *dlen = sizeof(DNS_KEY_DATA) + (size - 1) * sizeof(BYTE);
         break;
@@ -353,8 +353,8 @@ static DNS_STATUS dns_copy_rdata( ns_msg msg, const ns_rr *rr, DNS_RECORDA *r, W
 
         /* FIXME: byte order? */
         r->Data.SIG.wTypeCovered  = *(const WORD *)pos;   pos += sizeof(WORD);
-        r->Data.SIG.chAlgorithm   = *(const BYTE *)pos++;
-        r->Data.SIG.chLabelCount  = *(const BYTE *)pos++;
+        r->Data.SIG.chAlgorithm   = *pos++;
+        r->Data.SIG.chLabelCount  = *pos++;
         r->Data.SIG.dwOriginalTtl = *(const DWORD *)pos;  pos += sizeof(DWORD);
         r->Data.SIG.dwExpiration  = *(const DWORD *)pos;  pos += sizeof(DWORD);
         r->Data.SIG.dwTimeSigned  = *(const DWORD *)pos;  pos += sizeof(DWORD);
@@ -363,7 +363,7 @@ static DNS_STATUS dns_copy_rdata( ns_msg msg, const ns_rr *rr, DNS_RECORDA *r, W
         size = rr->rdata + rr->rdlength - pos;
 
         for (i = 0; i < size; i++)
-            r->Data.SIG.Signature[i] = *(const BYTE *)pos++;
+            r->Data.SIG.Signature[i] = *pos++;
 
         *dlen = sizeof(DNS_SIG_DATAA) + (size - 1) * sizeof(BYTE);
         break;