fix(raw.rs): pkg_cache_find_name_arch function signature

Removed from the function signature the parameter (arch: *const c_char) for alt-linux cfg

src/raw.rs

@@ -35,10 +35,17 @@ extern "C" {
 
     pub fn pkg_cache_pkg_iter(cache: PCache) -> PPkgIterator;
     pub fn pkg_cache_find_name(cache: PCache, name: *const c_char) -> PPkgIterator;
+    #[cfg(feature = "alt-linux")]
     pub fn pkg_cache_find_name_arch(
         cache: PCache,
         name: *const c_char,
     ) -> PPkgIterator;
+    #[cfg(not(feature = "alt-linux"))]
+    pub fn pkg_cache_find_name_arch(
+        cache: PCache,
+        name: *const c_char,
+    ) -> PPkgIterator;
+
     pub fn pkg_iter_release(iterator: PPkgIterator);
 
     pub fn pkg_iter_next(iterator: PPkgIterator);

src/sane.rs

@@ -66,7 +66,13 @@ impl Cache {
         unsafe {
             let name = ffi::CString::new(name).unwrap();
             let arch = ffi::CString::new(arch).unwrap();
+
+            #[cfg(feature = "alt-linux")]
+            let ptr = raw::pkg_cache_find_name_arch(lock.ptr, name.as_ptr());
+
+            #[cfg(not(feature = "alt-linux"))]
             let ptr = raw::pkg_cache_find_name_arch(lock.ptr, name.as_ptr(), arch.as_ptr());
+
             PkgIterator::new(lock, ptr)
         }
     }