The crash can be avoided by unsetting GTK2_RC_FILES:
GTK2_RC_FILES= scite
It can be forced by setting it to a certain value:
GTK2_RC_FILES=/usr/share/themes/QtCurve/gtk-2.0/gtkrc scite
Of course you must have installed /usr/share/themes/QtCurve/gtk-2.0/gtkrc to get a crash.
The crash can be avoided by unsetting GTK2_RC_FILES:
GTK2_RC_FILES= scite
It can be forced by setting it to a certain value:
GTK2_RC_ FILES=/ usr/share/ themes/ QtCurve/ gtk-2.0/ gtkrc scite
Of course you must have installed /usr/share/ themes/ QtCurve/ gtk-2.0/ gtkrc
to get a crash.