mame: fix building latest version with old 'libzstd'

Version 0.263 introduced support for ZSTD compression for CHD files, but the version in Debian 10 Buster is not recent enough to compile MAME. Use the bundled source for `libzstd` instead of the system provided libraries for now.

scriptmodules/emulators/mame.sh

@@ -29,7 +29,7 @@ function depends_mame() {
 
     # Install required libraries required for compilation and running
     # Note: libxi-dev is required as of v0.210, because of flag changes for XInput
-    local depends=(libfontconfig1-dev libsdl2-ttf-dev libflac-dev libxinerama-dev libxi-dev libpulse-dev libzstd-dev)
+    local depends=(libfontconfig1-dev libsdl2-ttf-dev libflac-dev libxinerama-dev libxi-dev libpulse-dev)
     # build the MAME debugger only on X11 (desktop) platforms
     isPlatform "x11" && depends+=(qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools)
 
@@ -50,7 +50,7 @@ function build_mame() {
         rpSwap on 8192
     fi
 
-    local params=(NOWERROR=1 ARCHOPTS=-U_FORTIFY_SOURCE PYTHON_EXECUTABLE=python3 OPTIMIZE=2 USE_SYSTEM_LIB_FLAC=1 USE_SYSTEM_LIB_ZSTD=1)
+    local params=(NOWERROR=1 ARCHOPTS=-U_FORTIFY_SOURCE PYTHON_EXECUTABLE=python3 OPTIMIZE=2 USE_SYSTEM_LIB_FLAC=1)
     isPlatform "x11" && params+=(USE_QTDEBUG=1) || params+=(USE_QTDEBUG=0)
     # when building on ARM enable 'fsigned-char' for compiled code, fixes crashes in a few drivers
     isPlatform "arm" || isPlatform "aarch64" && params+=(ARCHOPTS_CXX=-fsigned-char)