This update for wxWidgets-3_0 fixes the following issues:

Update from version 3.0.3 to 3.0.5.1 (bsc#1180492, jsc#ECO-3376)

- Workaround for the problem with overflowing the maximum command line length in MinGW builds not using configure.
- Fix for a problem with 'wxSpinCtrl' in 'wxGTK'
- Update the 'SOVERSION'
- Relax the ABI changes avoiding to check for the exact match of '__GXX_ABI_VERSION'.
- Build 'wxWidgets-3_0-nostl' variant with LTO disabled. (bsc#1162418)
- Don't crash on trailing '%' in 'wxDateTime::Format()'.
- Fix various problems when parsing invalid ZIP files.
- Fix generic 'wxTimePickerCtrl' to accept max values from keyboard.
- Multiple surrogate-related fixes in UTF-16 support.
- Fix reading wide character data in 'wxFile::ReadAll()'.
- Make parsing 'WAV' data more robust.
- Fix copy 'ctor' in numeric validators classes.
- Fix a memory error when 'wxDataViewCtrl' is deleted.
- Avoid some GTK+ run-time errors when using 'wx{File,Dir}PickerCtrl'.
- Prevent breaking binaries, if C++11 is enabled.