kernel32: Sign-compare warnings fix.

dlls/kernel32/lzexpand.c

@@ -181,8 +181,7 @@ HFILE WINAPI LZInit( HFILE hfSrc )
 
 	struct	lzfileheader	head;
 	struct	lzstate		*lzs;
-	DWORD	ret;
-        int i;
+	int	i, ret;
 
 	TRACE("(%d)\n",hfSrc);
 	ret=read_header(hfSrc,&head);

dlls/kernel32/profile.c

@@ -115,7 +115,7 @@ static void PROFILE_CopyEntry( LPWSTR buffer, LPCWSTR value, int len,
     }
 
     lstrcpynW( buffer, value, len );
-    if (quote && (len >= strlenW(value))) buffer[strlenW(buffer)-1] = '\0';
+    if (quote && (len >= lstrlenW(value))) buffer[strlenW(buffer)-1] = '\0';
 }
 
 /* byte-swaps shorts in-place in a buffer. len is in WCHARs */

dlls/kernel32/vxd.c

@@ -272,7 +272,7 @@ done:
  */
 void WINAPI __regs_VxDCall( DWORD service, CONTEXT86 *context )
 {
-    int i;
+    unsigned int i;
     VxDCallProc proc = NULL;
 
     RtlEnterCriticalSection( &vxd_section );