fixup??? mingw: introduce code to detect whether we're inside a Windows container

Header refactoring. ¯\_(ツ)_/¯

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

compat/mingw.h

@@ -288,3 +288,8 @@ int mingw_have_unix_sockets(void);
 #undef have_unix_sockets
 #define have_unix_sockets mingw_have_unix_sockets
 #endif
+
+/*
+ * Check current process is inside Windows Container.
+ */
+int is_inside_windows_container(void);