capi: Fix some Rust warnings

- Use drop() explicitely

Signed-off-by: Hubert Figuière <hub@figuiere.net>

5 files changed, 5 insertions, 5 deletions

diff --git a/src/capi/bitmap.rs b/src/capi/bitmap.rs
index 04986a3..784c179 100644
--- a/src/capi/bitmap.rs
+++ b/src/capi/bitmap.rs
@@ -37,7 +37,7 @@ pub type ORBitmapDataRef = *mut RawImage;
 /// and will cause undefined behaviour.
 extern "C" fn or_bitmapdata_release(bitmap: ORBitmapDataRef) -> or_error {
     if !bitmap.is_null() {
-        unsafe { Box::from_raw(bitmap) };
+        unsafe { drop(Box::from_raw(bitmap)) };
         return or_error::NONE;
     }
     or_error::NOT_AREF
diff --git a/src/capi/metavalue.rs b/src/capi/metavalue.rs
index cba3315..79c2428 100644
--- a/src/capi/metavalue.rs
+++ b/src/capi/metavalue.rs
@@ -56,7 +56,7 @@ pub type ORMetaValueRef = *mut ORMetaValue;
 /// Release a metavalue.
 extern "C" fn or_metavalue_release(metavalue: ORMetaValueRef) {
     if !metavalue.is_null() {
-        unsafe { Box::from_raw(metavalue) };
+        unsafe { drop(Box::from_raw(metavalue)) };
     }
 }
 
diff --git a/src/capi/rawdata.rs b/src/capi/rawdata.rs
index 59cacf9..999b580 100644
--- a/src/capi/rawdata.rs
+++ b/src/capi/rawdata.rs
@@ -104,7 +104,7 @@ extern "C" fn or_rawdata_new() -> ORRawDataRef {
 /// and will cause undefined behaviour.
 extern "C" fn or_rawdata_release(rawdata: ORRawDataRef) -> or_error {
     if !rawdata.is_null() {
-        unsafe { Box::from_raw(rawdata) };
+        unsafe { drop(Box::from_raw(rawdata)) };
         return or_error::NONE;
     }
     or_error::NOT_AREF
diff --git a/src/capi/rawfile.rs b/src/capi/rawfile.rs
index dbbc4a1..b00dad0 100644
--- a/src/capi/rawfile.rs
+++ b/src/capi/rawfile.rs
@@ -104,7 +104,7 @@ extern "C" fn or_rawfile_new_from_memory(buffer: *const u8, len: u32, type_: Typ
 /// and will cause undefined behaviour.
 extern "C" fn or_rawfile_release(rawfile: ORRawFileRef) -> or_error {
     if !rawfile.is_null() {
-        unsafe { Box::from_raw(rawfile) };
+        unsafe { drop(Box::from_raw(rawfile)) };
         return or_error::NONE;
     }
     or_error::NOT_AREF
diff --git a/src/capi/thumbnail.rs b/src/capi/thumbnail.rs
index 940aacb..798422f 100644
--- a/src/capi/thumbnail.rs
+++ b/src/capi/thumbnail.rs
@@ -46,7 +46,7 @@ extern "C" fn or_thumbnail_new() -> ORThumbnailRef {
 /// and will cause undefined behaviour.
 extern "C" fn or_thumbnail_release(thumbnail: ORThumbnailRef) -> or_error {
     if !thumbnail.is_null() {
-        unsafe { Box::from_raw(thumbnail) };
+        unsafe { drop(Box::from_raw(thumbnail)) };
         return or_error::NONE;
     }
     or_error::NOT_AREF