scflt.hxx is only included from sc/source/filter/starcalc

...but itself includes sc/source/filter/starcalc/collect.hxx, which only happens
to work because of -I$(dir $(3)) in gb_CObject__command_pattern (in
solenv/gbuild/platform/com_{GCC,MSC}_class.mk).  Clean that up by moving the
file.

Change-Id: I55db90a7039e6c1e3fdaa28c1df58347e117a87f
Reviewed-on: https://gerrit.libreoffice.org/44170Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

sc/source/filter/starcalc/scflt.cxx

@@ -58,7 +58,7 @@
 #include <stlsheet.hxx>
 #include <stlpool.hxx>
 #include <filter.hxx>
-#include <scflt.hxx>
+#include "scflt.hxx"
 #include <formulacell.hxx>
 #include <scfobj.hxx>
 #include <docoptio.hxx>

sc/source/filter/inc/scflt.hxx → sc/source/filter/starcalc/scflt.hxx

@@ -17,12 +17,12 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SC_SOURCE_FILTER_INC_SCFLT_HXX
-#define INCLUDED_SC_SOURCE_FILTER_INC_SCFLT_HXX
+#ifndef INCLUDED_SC_SOURCE_FILTER_STARCALC_SCFLT_HXX
+#define INCLUDED_SC_SOURCE_FILTER_STARCALC_SCFLT_HXX
 
 #include <memory>
 #include <viewopti.hxx>
-#include <collect.hxx>
+#include "collect.hxx"
 #include <tools/solar.h>
 
 // Error numbers