[minizip-ng] Cherry-pick a slight memory optimization for 64-bit systems.

Slightly reduces struct size by getting rid of padding.

Not including the mz_crypt_openssl.c change because it doesn't apply here.

extlib/minizip-ng/_MODIFIED_MINIZIP.txt

@@ -23,6 +23,11 @@ The following changes have been made to the original:
 - project(): Disabled DESCRIPTION and HOMEPAGE_URL due to requiring
   newer versions of CMake than what's available in Ubuntu 16.04.
 
+- Commit e6eeb4ea520915a762d2c317d0a7ad552a89de04 has been cherry-picked
+  from the develop branch. This commit slightly reduces memory usage on
+  64-bit systems. (not including the mz_crypt_openssl.c change because
+  it doesn't apply here)
+
 To obtain the original minizip-ng 4.0.7, visit:
 https://github.com/zlib-ng/minizip-ng
 

extlib/minizip-ng/minizip.c

@@ -23,16 +23,16 @@
 /***************************************************************************/
 
 typedef struct minizip_opt_s {
+    int64_t     disk_size;
+    int32_t     encoding;
     uint8_t     include_path;
     int16_t     compress_level;
     uint8_t     compress_method;
     uint8_t     overwrite;
     uint8_t     append;
-    int64_t     disk_size;
     uint8_t     follow_links;
     uint8_t     store_links;
     uint8_t     zip_cd;
-    int32_t     encoding;
     uint8_t     verbose;
     uint8_t     aes;
 } minizip_opt;

extlib/minizip-ng/mz_strm_split.c

@@ -45,19 +45,19 @@ static mz_stream_vtbl mz_stream_split_vtbl = {
 
 typedef struct mz_stream_split_s {
     mz_stream   stream;
-    int32_t     is_open;
     int64_t     disk_size;
     int64_t     total_in;
     int64_t     total_in_disk;
     int64_t     total_out;
     int64_t     total_out_disk;
+    int32_t     is_open;
     int32_t     mode;
     char        *path_cd;
     char        *path_disk;
     uint32_t    path_disk_size;
     int32_t     number_disk;
-    int32_t     current_disk;
     int64_t     current_disk_size;
+    int32_t     current_disk;
     int32_t     reached_end;
 } mz_stream_split;