beremiz

file isExecutable
fix twice shown error message box, when wrong non-valid IEC identifier entered

It happens when non-valid name for variable name or name of field in
structure entered. This issue is described in details here:
http://trac.wxwidgets.org/ticket/16333
<xsd:element name="Linux">
<xsd:complexType>
%(toolchain_gcc)s
</xsd:complexType>
</xsd:element>