Fix building against musl am: ffef67df3c

Original change: https://android-review.googlesource.com/c/platform/external/mtools/+/1826497

Change-Id: I03bea64bc1bfbba4969e2344d95cb786557c3bc3
diff --git a/config.h b/config.h
index 3438725..79571ea 100644
--- a/config.h
+++ b/config.h
@@ -302,7 +302,9 @@
 #define HAVE_TERMIOS_H 1
 
 /* Define to 1 if you have the <termio.h> header file. */
+#if !defined(ANDROID_HOST_MUSL)
 #define HAVE_TERMIO_H 1
+#endif
 
 /* Define to 1 if you have the `toupper_l' function. */
 #define HAVE_TOUPPER_L 1