fix musl compile

package/cfgfs/src/compress.h

@@ -9,6 +9,8 @@
 #ifndef COMPRESS_H
 #define COMPRESS_H
 
+#include <sys/types.h>
+
 /* BEGIN of plug-in API description - hook yer proprietary modules here */
 
 /* returns 0 on success, -1 on failure */

package/cfgfs/src/pack.h

@@ -9,6 +9,8 @@
 #ifndef PACK_H
 #define PACK_H
 
+#include <sys/types.h>
+
 struct FTSF_ENTRY;
 #ifndef FTS_SUBS_H
 typedef struct FTSF_ENTRY ftsf_entry;

package/cfgfs/src/sysdeps.h

@@ -9,6 +9,8 @@
 #ifndef SYSDEPS_H
 #define SYSDEPS_H
 
+#include <sys/types.h>
+
 void pull_rndata(u_int8_t *, size_t);
 void push_rndata(u_int8_t *, size_t);