Merge tag '1.11.0-beta2' into jgrpp

# Conflicts:
#	.github/workflows/ci-build.yml
#	.github/workflows/release.yml
#	CMakeLists.txt
#	src/blitter/32bpp_optimized.cpp
#	src/debug.cpp
#	src/gfx.cpp
#	src/gfx_func.h
#	src/lang/czech.txt
#	src/lang/english.txt
#	src/lang/italian.txt
#	src/lang/swedish.txt
#	src/lang/ukrainian.txt
#	src/network/network_server.cpp
#	src/os/windows/crashlog_win.cpp
#	src/os/windows/win32.cpp
#	src/pathfinder/follow_track.hpp
#	src/screenshot.cpp
#	src/settings_type.h
#	src/spritecache.cpp
#	src/vehicle_gui.cpp
#	src/video/sdl2_v.cpp
#	src/video/video_driver.cpp
#	src/video/video_driver.hpp
#	src/video/win32_v.cpp

src/fileio.cpp

@@ -340,7 +340,7 @@ std::string FioFindDirectory(Subdirectory subdir)
 
 static FILE *FioFOpenFileSp(const std::string &filename, const char *mode, Searchpath sp, Subdirectory subdir, size_t *filesize, std::string *output_filename)
 {
-#if defined(_WIN32) && defined(UNICODE)
+#if defined(_WIN32)
 	/* fopen is implemented as a define with ellipses for
 	 * Unicode support (prepend an L). As we are not sending
 	 * a string, but a variable, it 'renames' the variable,