Bring header's height more inline with native's.

diff --git a/dlls/comctl32/header.c b/dlls/comctl32/header.c
index 1292e1f..9cb6ee1 100644
--- a/dlls/comctl32/header.c
+++ b/dlls/comctl32/header.c
@@ -84,7 +84,7 @@
 } HEADER_INFO;
 
 
-#define VERT_BORDER     4
+#define VERT_BORDER     3
 #define DIVIDER_WIDTH  10
 
 #define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongA(hwnd,0))
@@ -1239,7 +1239,6 @@
 
     infoPtr->hwndNotify = GetParent(hwnd);
     infoPtr->uNumItem = 0;
-    infoPtr->nHeight = 20;
     infoPtr->hFont = 0;
     infoPtr->items = 0;
     infoPtr->bRectsValid = FALSE;