Include frmatr.hxx instead of directly format.hxx

...as otherwise this can result in "inline function [...] used but never defined
[-Werror]" for SwFmt::GetULSpace and SwFmt::GetLRSpace.

Change-Id: I9de3422953b38c978af1e7d2fc07398b83236ed6

sw/inc/fmtcol.hxx

@@ -20,7 +20,7 @@
 #define _FMTCOL_HXX
 
 #include "swdllapi.h"
-#include <format.hxx>
+#include <frmatr.hxx>
 #include <swtypes.hxx> // For MAXLEVEL.
 #include <boost/ptr_container/ptr_vector.hpp>