mingw-w64: Special case for large input for complex inverse trigonometric functions (bug #49091). * src/mingw-w64-complex-inverse-trig.patch: Add patch for mingw-w64 CRT that implements a special case for large input for complex inverse trigonometric functions cacosh and casinh (and therefore functions that are derived from it, like cacos and casin). * dist-files.mk: Add new patch to list.

## System-wide startup file for Octave.
##
## This file should contain any commands that should be executed each
## time Octave starts for every user at this site.
EXEC_PATH (cstrcat (fullfile (OCTAVE_HOME, 'notepad++'), pathsep, EXEC_PATH));
EXEC_PATH (cstrcat (fullfile (OCTAVE_HOME, 'bin'), pathsep, EXEC_PATH));
EDITOR (fullfile (OCTAVE_HOME, 'notepad++', 'notepad++.exe'));