Fix build with QScintilla-2.10.3 (?)

[a17r]

These changes were necessary to fix a build issue:

juffed-engine-qsci_autogen/HJY3QJUKGU/../../../juffed-0.10_p20160323/src/app/qsci/lexers/qscilexerada.h:7:19: error: expected identifier before numeric constant
 #define SCLEX_ADA 20
                   ^

See also: https://bugs.gentoo.org/652928

[agaida]

@Mezomish - please review and merge - i don't want to patch my debian packages with some not reviewed patches that are not even in upstream

See also: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897133

[a17r]

ping

[tsjk]

Seems to work on my Gentoo system.