1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/libgit-sys/src/lib.rs b/contrib/libgit-sys/src/lib.rs
index dadb4e5f40..4bfc650450 100644
--- a/contrib/libgit-sys/src/lib.rs
+++ b/contrib/libgit-sys/src/lib.rs
@@ -1,3 +1,5 @@
+use std::ffi::c_void;
+
 #[cfg(has_std__ffi__c_char)]
 use std::ffi::{c_char, c_int};
 
@@ -19,6 +21,8 @@ pub struct libgit_config_set {
 }
 
 extern "C" {
+    pub fn free(ptr: *mut c_void);
+
     pub fn libgit_user_agent() -> *const c_char;
     pub fn libgit_user_agent_sanitized() -> *const c_char;