[src/misc.c] Fix assertion accordingly to the removal of CMake 3.0 compatibility workaround.
[src/misc.c] Fix assertion accordingly to the removal of CMake 3.0 compatibility workaround.

(Fixes debug build regression introduced in commit 417955229a2b1e0c96ad55aad227f7c5519db30d)

mity/mctrl,mity/mctrl,mity/mctrl,mity/mctrl