#239 Not compatible with libxml2-2.12

[Chris Mayo]

Needs I think:

--- a/src/wraplibxml.cpp
+++ b/src/wraplibxml.cpp
@@ -706,7 +706,7 @@

 wxString WrapLibxml::getLastError()
 {
-   xmlErrorPtr err = xmlGetLastError();
+   const xmlError *err = xmlGetLastError();

    if ( !err )
        return nonParserError;
@@ -722,7 +722,7 @@

 std::pair<int, int> WrapLibxml::getErrorPosition()
 {
-   xmlErrorPtr err = xmlGetLastError();
+   const xmlError *err = xmlGetLastError();
    if ( !err )
        return std::make_pair ( 1, 1 );

[ostroffjh]

Patch works for me with libxml2 2.13.4-1 on ArchLinux.