Sherpa_i add SHERPA_SHARE_PATH to avoid config. problems

Sherpa_i add SHERPA_SHARE_PATH to avoid config. problems this MR tries to fix Sherpa crashes in gcc11 ART tests

Generators/Sherpa_i/SherpaEnvironmentConfig.cmake

@@ -9,7 +9,7 @@ find_package( Sherpa )
 
 if( SHERPA_FOUND )
   set( SHERPAENVIRONMENT_ENVIRONMENT 
-        FORCESET SHERPAVER ${SHERPA_LCGVERSION} )
+        FORCESET SHERPAVER ${SHERPA_LCGVERSION} 
         FORCESET SHERPA_SHARE_PATH ${SHERPA_LCGROOT}/share/SHERPA-MC )
 endif()