Avoid loplugin:indentation after preproc conditional inclusion lines

...to not trigger (for --disable-dbgutil) at

>                         rContentAtPos.eContentAtPos = IsAttrAtPos::TableBoxFml;
> #ifdef DBG_UTIL
>                         if( RES_BOXATR_VALUE == pItem->Which() )
>                             rContentAtPos.eContentAtPos = IsAttrAtPos::TableBoxValue;
>                         else
> #endif
>                             const_cast<SwTableBoxFormula*>(static_cast<const SwTableBoxFormula*>(pItem))->PtrToBoxNm( &pTableNd->GetTable() );

(sw/source/core/crsr/crstrvl.cxx:1710)

Change-Id: I8fd5c8a1cd40450bdd8cc97057e5233a0134f044
Reviewed-on: https://gerrit.libreoffice.org/68030
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

compilerplugins/clang/test/indentation.cxx

@@ -35,6 +35,13 @@ void top1(int x) {
         case 1: foo(); break; // 1expected-note {{measured against this one [loplugin:indentation]}}
          case 2: foo(); break; // 1expected-error {{statement mis-aligned compared to neighbours [loplugin:indentation]}}
     };
+
+#if 0
+    if (x)
+        foo();
+    else
+#endif
+        foo();
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */