[gimp] HEIF plug-in: fix typo in comment

[Daniel Novomeský <dnovomesky src gnome org>]

commit c4e5c185cc22f064ca21e92620ed83b1fad671f9
Author: Daniel Novomesky <dnovomesky gmail com>
Date:   Wed Oct 6 14:35:54 2021 +0200

    HEIF plug-in: fix typo in comment

 plug-ins/common/file-heif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plug-ins/common/file-heif.c b/plug-ins/common/file-heif.c
index 2280f41793..d531914aa0 100644
--- a/plug-ins/common/file-heif.c
+++ b/plug-ins/common/file-heif.c
@@ -1794,7 +1794,7 @@ save_image (GFile                        *file,
 #if LIBHEIF_HAVE_VERSION(1,8,0)
   if (compression == heif_compression_HEVC)
     {
-      /* This is an ugly woraround to avoid following issue:
+      /* This is an ugly workaround to avoid following issue:
        * https://github.com/strukturag/libheif/issues/357
        * When libheif is built on MSYS2 without CPPFLAGS+=" -DX265_API_IMPORTS=1"
        * x265_plugin_name called by heif_encoder_get_name can crash.