Austin English : mpr: Fix a compiler warning on PowerPC.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9abde541b5b8bae1b240a3bfe6d6d133fcea59c9
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9abde541b5b8bae1b240a3bfe6d6d133fcea59c9

Author: Austin English <austinenglish at gmail.com>
Date:   Fri Jan  2 22:15:09 2009 -0600

mpr: Fix a compiler warning on PowerPC.

---

 dlls/mpr/pwcache.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/mpr/pwcache.c b/dlls/mpr/pwcache.c
index 8e3c191..0ed65b6 100644
--- a/dlls/mpr/pwcache.c
+++ b/dlls/mpr/pwcache.c
@@ -39,7 +39,7 @@ static inline BYTE hex( BYTE x )
     return x + 'A' - 10;
 }
 
-static inline CHAR ctox( CHAR x )
+static inline signed char ctox( CHAR x )
 {
     if( ( x >= '0' ) && ( x <= '9' ) )
         return x - '0';
@@ -282,7 +282,7 @@ UINT WINAPI WNetEnumCachedPasswords(
         /* decode the value */
         for(j=5; j<val_sz; j+=2 )
         {
-            CHAR hi = ctox( val[j] ), lo = ctox( val[j+1] );
+            signed char hi = ctox( val[j] ), lo = ctox( val[j+1] );
             if( ( hi < 0 ) || ( lo < 0 ) )
                 break;
             val[(j-5)/2] = (hi<<4) | lo;