Ventoy2Disk.sh supports musl libc envrionment. (#3332)

Only Ventoy2Disk.sh support, WebUI/LinuxGUI does not support.

INSTALL/Ventoy2Disk.sh

@@ -21,7 +21,7 @@ elif uname -m | grep -E -q 'mips64'; then
 else
     export TOOLDIR=i386
 fi
-export PATH="./tool/$TOOLDIR:$PATH"
+export PATH="$OLDDIR/tool/$TOOLDIR:$PATH"
 
 
 echo ''
@@ -61,6 +61,14 @@ if [ $? -eq 0 ]; then
     done
 fi
 
+#use static linked mkexfatfs for musl-libc environment
+if [ -f mkexfatfs_static ]; then
+    if ldd --version 2>&1 | grep -qi musl; then
+        mv mkexfatfs mkexfatfs_shared
+        mv mkexfatfs_static mkexfatfs
+    fi
+fi
+
 cd ../../
 chmod +x -R ./tool/$TOOLDIR