crashtestig: infinite recurse in ooo32833-1.sxc

integralPhi is called with nan(0xfffff000001f6)
which recurses through rtl_math_erfc->rtl_math_erf->rtl_math_erfc
until we run out of stack

Change-Id: Iab8a22fb23686d22d151f2508dbeb44ab47a76b7
(cherry picked from commit d2a07cd3)
Reviewed-on: https://gerrit.libreoffice.org/19282Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>

sc/source/core/tool/interpr3.cxx

@@ -1598,7 +1598,10 @@ void ScInterpreter::ScLogNormDist( int nMinParamCount ) //expanded, see #i100119
 
 void ScInterpreter::ScStdNormDist()
 {
-    PushDouble(integralPhi(GetDouble()));
+    double fVal = GetDouble();
+    if (!rtl::math::isNan(fVal))
+        fVal = integralPhi(fVal);
+    PushDouble(fVal);
 }
 
 void ScInterpreter::ScStdNormDist_MS()