MinGW build portability fixes

AKA you can build melonDS for Windows on Fedora now

src/debug/GdbProto.cpp

@@ -1,6 +1,6 @@
 
 #ifdef _WIN32
-#include <WS2tcpip.h>
+#include <ws2tcpip.h>
 #include <winsock.h>
 #include <winsock2.h>
 #endif

src/debug/GdbStub.cpp

@@ -1,6 +1,6 @@
 
 #ifdef _WIN32
-#include <WS2tcpip.h>
+#include <ws2tcpip.h>
 #include <winsock.h>
 #include <winsock2.h>
 #endif

src/frontend/libslirp/CMakeLists.txt

@@ -46,7 +46,12 @@ set(SOURCES
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/libslirp-version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/libslirp-version.h")
 
-add_library(slirp STATIC ${SOURCES})
+if (BUILD_STATIC)
+	add_library(slirp STATIC ${SOURCES})
+else()
+	add_library(slirp ${SOURCES})
+endif()
+
 target_include_directories(slirp PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/glib")
 target_include_directories(slirp PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/src")
 target_include_directories(slirp PUBLIC "${CMAKE_CURRENT_BINARY_DIR}")

src/frontend/qt_sdl/CMakeLists.txt

@@ -112,6 +112,10 @@ if (WIN32)
 
         ../glad/glad_wgl.c
     )
+
+    if (MINGW AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")
+        set_property(TARGET melonDS PROPERTY AUTORCC_OPTIONS "--no-zstd")
+    endif()
 elseif (APPLE)
     if (NOT USE_QT6)
         find_library(COCOA_LIB Cocoa)