Upgraded to latest libp2p and fixed some warnings

flatfs/flatfs.c

@@ -54,7 +54,8 @@ int ipfs_flatfs_create_directory(const char* full_directory) {
 	if (mkdir(full_directory) == -1)
 #else
 	if (mkdir(full_directory, S_IRWXU) == -1)
-#endif		return 0;
+		return 0;
+#endif
 
 	return 1;
 }

os/utils.c

@@ -32,6 +32,7 @@ int os_utils_setenv(const char* variable, const char* value, int overwrite) {
 	return 0;
 #else
 	setenv(variable, value, overwrite);
+	return 1;
 #endif
 }
 

repo/config/identity.c

@@ -8,7 +8,7 @@
 
 #include "ipfs/repo/config/identity.h"
 #include "libp2p/crypto/rsa.h"
-#include "libp2p/peerutils.h"
+#include "libp2p/crypto/peerutils.h"
 #include "libp2p/crypto/encoding/base64.h"
 #include "libp2p/crypto/encoding/x509.h"