Bump dep: heif (#47)

All patches are incorporated in v1.13.0

Author: lovell

README.md

@@ -31,7 +31,7 @@ Run the top-level [build script](build.sh) with the `--help` parameter for help.
 | [libexif]       | 0.6.24    | LGPLv3                                                       |
 | [libffi]        | 3.4.2     | MIT Licence                                                  |
 | [libgsf]        | 1.14.50   | LGPLv3                                                       |
-| [libheif]       | 1.12.0    | LGPLv3                                                       |
+| [libheif]       | 1.13.0    | LGPLv3                                                       |
 | [libimagequant] | 2.4.1¹    | BSD 2-Clause                                                 |
 | [libpng]        | 1.6.37    | [libpng License version 2]                                   |
 | [librsvg]       | 2.55.0    | LGPLv3                                                       |

build/libheif.mk

@@ -2,16 +2,13 @@ PKG             := libheif
 $(PKG)_WEBSITE  := http://www.libheif.org/
 $(PKG)_DESCR    := libheif is a ISO/IEC 23008-12:2017 HEIF file format decoder and encoder.
 $(PKG)_IGNORE   :=
-$(PKG)_VERSION  := 1.12.0
-$(PKG)_CHECKSUM := e1ac2abb354fdc8ccdca71363ebad7503ad731c84022cf460837f0839e171718
+$(PKG)_VERSION  := 1.13.0
+$(PKG)_CHECKSUM := c20ae01bace39e89298f6352f1ff4a54b415b33b9743902da798e8a1e51d7ca1
 $(PKG)_PATCHES  := $(realpath $(sort $(wildcard $(dir $(lastword $(MAKEFILE_LIST)))/patches/$(PKG)-[0-9]*.patch)))
 $(PKG)_GH_CONF  := strukturag/libheif/releases,v
 $(PKG)_DEPS     := cc aom
 
 define $(PKG)_BUILD
-    # need to regenerate the configure script
-    cd '$(SOURCE_DIR)' && autoreconf -fi
-
     # Disable multithreading when building with Win32 threads to
     # avoid a dependency on mingw-std-threads (which we only use
     # in the "all" variant). Disabling multithreading only affects