Merge branch 'master' into jgrpp

# Conflicts:
#	.github/workflows/release-windows.yml
#	src/company_base.h
#	src/company_cmd.cpp
#	src/company_gui.cpp
#	src/console_cmds.cpp
#	src/economy.cpp
#	src/economy_cmd.h
#	src/fios.h
#	src/goal.cpp
#	src/group_gui.cpp
#	src/network/core/config.h
#	src/network/network_admin.cpp
#	src/newgrf_config.cpp
#	src/os/windows/win32.cpp
#	src/saveload/afterload.cpp
#	src/saveload/company_sl.cpp
#	src/saveload/saveload.cpp
#	src/saveload/saveload_error.hpp
#	src/settings_gui.cpp
#	src/ship_cmd.cpp
#	src/stdafx.h
#	src/story.cpp
#	src/story_base.h
#	src/string.cpp
#	src/table/settings/economy_settings.ini
#	src/tests/CMakeLists.txt
#	src/tests/math_func.cpp

src/stdafx.h

@@ -37,10 +37,6 @@
 #	define _GNU_SOURCE
 #endif
 
-#if defined(__HAIKU__) || defined(__CYGWIN__)
-#	include <strings.h> /* strncasecmp */
-#endif
-
 /* It seems that we need to include stdint.h before anything else
  * We need INT64_MAX, which for most systems comes from stdint.h. However, MSVC
  * does not have stdint.h.
@@ -69,11 +65,6 @@
 #	include <sys/types.h>
 #endif
 
-#if defined(__OS2__)
-#	include <types.h>
-#	define strcasecmp stricmp
-#endif
-
 #if defined(SUNOS) || defined(HPUX) || defined(__CYGWIN__)
 #	include <alloca.h>
 #endif
@@ -215,9 +206,6 @@
 #		endif
 #	endif
 
-#	define strcasecmp stricmp
-#	define strncasecmp strnicmp
-
 	/* MSVC doesn't have these :( */
 #	define S_ISDIR(mode) (mode & S_IFDIR)
 #	define S_ISREG(mode) (mode & S_IFREG)
@@ -490,11 +478,6 @@ const char *assert_tile_info(uint32 tile);
 #	define dbg_assert_tile(expression, tile)
 #endif
 
-#if defined(OPENBSD)
-	/* OpenBSD uses strcasecmp(3) */
-#	define _stricmp strcasecmp
-#endif
-
 #if defined(MAX_PATH)
 	/* It's already defined, no need to override */
 #elif defined(PATH_MAX) && PATH_MAX > 0