msvcp90: Explicitly cast to signed char

[André Hentschel]

---
 dlls/msvcp90/ios.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/msvcp90/ios.c b/dlls/msvcp90/ios.c
index 9501c8a..f498219 100644
--- a/dlls/msvcp90/ios.c
+++ b/dlls/msvcp90/ios.c
@@ -800,7 +800,7 @@ streamsize __thiscall basic_streambuf_char__Xsgetn_s(basic_streambuf_char *this,
             *this->prsize -= chunk;
             copied += chunk;
             size -= chunk;
-        }else if((ptr[copied] = call_basic_streambuf_char_uflow(this)) != EOF) {
+        }else if((signed char)(ptr[copied] = call_basic_streambuf_char_uflow(this)) != EOF) {
             copied++;
             size--;
         }else {
-- 
1.7.4.1



-- 

Best Regards, André Hentschel