also cast glGetError via void *

libsimde-dev is not packaged for Debian buster

clear out warnings for _WIN32 codepath

Debian buster have the *-mingw32-g++-posix in the package g++-mingw-w64-i686 and g++-mingw-w64-x86-64

Build Win32 BuilderNative.dll with Mingw-w64

Update .gitlab-ci.yml file

See merge request STJr/UltimateZoneBuilder!14

Script Editor: pressing enter in the search box now performs the search. Pressing enter in the search box of the replace tab performs a search. Pressing enter in the replace box of the replace tab now performs a replacement. Pressing the Escape key now closes the dialog. Fixes #972

Visual Mode: added support for GZDoom style texture skewing

Eternity Engine Game Configuration: fixed an issue where UDMF sector properties were not labeled as unmanaged

Sound Propagation Mode: fixed a crash when things were outside the map's geometry bounding box. Fixes #975

Edit Linedef dialog (UDMF): fixed a problem where the back sidedef's controls were not disabled correctly if their UDMF fields were not set in the game configuration

Game Configurations: added UDMF game configuration for EDGE-Classic (provided by Lobo)

Added ability to enable/disable controls in the UDMF map element editing dialogs based on UDMF fields specified in the game configurations (#953)

Visual Mode: the effect of slope things are now only applied if they are specified in the game configuration

Game Configurations: added support for enabling or disabling support for vertex heights in UDMF game configurations

Visual Mode: fixed a problem where flood selection did not work correctly when sidedefs were previously marked by other actions

UDMF type handler: fixed a problem where default values provided as integers for floating point fields failed to convert properly

Visual Mode: fixed a problem where flood selection would operate from all selected surfaces and not just the clicked on one. This behavior can be reverted by enabling the "Use buggy flood select in Visual Mode" option in Preferences -> Editing (#969)

Visual Mode: fixed a problem where flood selection would operate from all selected surfaces and not just the clicked on one. This behavior can be reverted by enabling the "Use buggy flood select in Visual Mode" option in Preferences -> Editing

Fix SOC errors being displayed as Lua errors