fix IE7 library by adding missing blank.gif file

dhtml/dhtml.spec

@@ -360,7 +360,7 @@ AutoReqProv:  no
         scriptaculous-js-%{V_scriptaculous}/src/* \
         $RPM_BUILD_ROOT%{l_prefix}/share/dhtml/scriptaculous/
     %{l_shtool} install -c -m 644 \
-        IE7_%{V_ie7}/ie7* \
+        IE7_%{V_ie7}/ie7* IE7_%{V_ie7}/blank.gif \
         $RPM_BUILD_ROOT%{l_prefix}/share/dhtml/ie7/
     %{l_shtool} install -c -m 644 \
         mktree/* \