msvcp90: Fix basic_istream<wchar>::read implementation.

dlls/msvcp60/ios.c

@@ -7156,7 +7156,7 @@ static basic_istream_char* basic_istream_char__Read_s(basic_istream_char *this,
 DEFINE_THISCALL_WRAPPER(basic_istream_char_read, 12)
 basic_istream_char* __thiscall basic_istream_char_read(basic_istream_char *this, char *str, streamsize count)
 {
-    return basic_istream_char__Read_s(this, str, count, count);
+    return basic_istream_char__Read_s(this, str, -1, count);
 }
 
 /* ?_Readsome_s@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEHPADIH@Z */
@@ -8397,7 +8397,7 @@ static basic_istream_wchar* basic_istream_wchar__Read_s(basic_istream_wchar *thi
 DEFINE_THISCALL_WRAPPER(basic_istream_wchar_read, 12)
 basic_istream_wchar* __thiscall basic_istream_wchar_read(basic_istream_wchar *this, wchar_t *str, streamsize count)
 {
-    return basic_istream_wchar__Read_s(this, str, count, count);
+    return basic_istream_wchar__Read_s(this, str, -1, count);
 }
 
 /* ?_Readsome_s@?$basic_istream@_WU?$char_traits@_W@std@@@std@@QAEHPA_WIH@Z */

dlls/msvcp90/ios.c

@@ -8111,7 +8111,7 @@ DEFINE_THISCALL_WRAPPER(basic_istream_char_read, 12)
 #endif
 basic_istream_char* __thiscall basic_istream_char_read(basic_istream_char *this, char *str, streamsize count)
 {
-    return basic_istream_char__Read_s(this, str, count, count);
+    return basic_istream_char__Read_s(this, str, -1, count);
 }
 
 /* ?_Readsome_s@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEHPADIH@Z */
@@ -9418,7 +9418,7 @@ DEFINE_THISCALL_WRAPPER(basic_istream_wchar_read, 12)
 #endif
 basic_istream_wchar* __thiscall basic_istream_wchar_read(basic_istream_wchar *this, wchar_t *str, streamsize count)
 {
-    return basic_istream_wchar__Read_s(this, str, count, count);
+    return basic_istream_wchar__Read_s(this, str, -1, count);
 }
 
 /* ?_Readsome_s@?$basic_istream@_WU?$char_traits@_W@std@@@std@@QAEHPA_WIH@Z */