[LINUX] runtime_error is not a member of std

[melon]

In file included from ../src/gl/texture_font.cc:7:0:
../nv/gl/texture_font.hh: In constructor ‘nv::texture_font::texture_font(nv::texture_atlas*, const char*, float)’:
../nv/gl/texture_font.hh:55:9: warning: ‘nv::texture_font::m_rface’ will be initialized after [-Wreorder]
../nv/gl/texture_font.hh:51:8: warning:   ‘bool nv::texture_font::m_hinting’ [-Wreorder]
../src/gl/texture_font.cc:24:1: warning:   when initialized here [-Wreorder]
../src/gl/texture_font.cc:45:21: error: ‘runtime_error’ is not a member of ‘std’
../src/gl/texture_font.cc:48:21: error: ‘runtime_error’ is not a member of ‘std’
../src/gl/texture_font.cc:51:21: error: ‘runtime_error’ is not a member of ‘std’
../src/gl/texture_font.cc: In member function ‘bool nv::texture_font::load_glyphs(const string&)’:
../src/gl/texture_font.cc:102:22: error: ‘runtime_error’ is not a member of ‘std’
../src/gl/texture_font.cc:115:10: error: ‘runtime_error’ is not a member of ‘std

[melon]

Fixed with rev 23