wined3d: Use BOOL type where appropriate

[Frédéric Delanoy]

---
 dlls/wined3d/state.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/state.c b/dlls/wined3d/state.c
index 3c03953..2c86a7b 100644
--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -819,8 +819,8 @@ static GLenum gl_stencil_op(enum wined3d_stencil_op op)
 static void state_stencil(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
 {
     const struct wined3d_gl_info *gl_info = context->gl_info;
-    DWORD onesided_enable = FALSE;
-    DWORD twosided_enable = FALSE;
+    DWORD onesided_enable = 0;
+    DWORD twosided_enable = 0;
     GLint func = GL_ALWAYS;
     GLint func_ccw = GL_ALWAYS;
     GLint ref = 0;
-- 
1.8.4