winedump: Sign compare fixes.

tools/winedump/emf.c

@@ -36,11 +36,11 @@
 #include "winbase.h"
 #include "wingdi.h"
 
-static const char *debugstr_wn(const WCHAR *wstr, int n)
+static const char *debugstr_wn(const WCHAR *wstr, unsigned int n)
 {
     static char buf[80];
     char *p;
-    int i;
+    unsigned int i;
 
     if (!wstr) return "(null)";
 

tools/winedump/lnk.c

@@ -375,7 +375,7 @@ static int dump_raw_block(const DATABLOCK_HEADER* bhdr)
     data_size=bhdr->cbSize-sizeof(*bhdr);
     if (data_size > 0)
     {
-        unsigned int i;
+        int i;
         const unsigned char *data;
 
         printf("data    = ");