Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/jbig2dec.git#2ef18a7dd8764d5181993a7a75b33582b2bdedb6

jbig2dec.spec

@@ -1,6 +1,6 @@
 Name:		jbig2dec
 Version:	0.19
-Release:	3%{?dist}
+Release:	4%{?dist}
 Summary:	A decoder implementation of the JBIG2 image compression format 
 License:	AGPLv3+
 URL:		http://jbig2dec.sourceforge.net/
@@ -8,6 +8,7 @@ Source0:	https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download
 Requires:	%{name}-libs = %{version}-%{release}
 BuildRequires:	libtool
 BuildRequires:	libpng-devel
+BuildRequires: make
 
 %description
 jbig2dec is a decoder implementation of the JBIG2 image compression format.
@@ -79,6 +80,9 @@ rm -f %{buildroot}%{_libdir}/*.la
 
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.19-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Sun Dec 13 2020 Orion Poplawski <orion@nwra.com> - 0.19-3
 - Use autoreconf -f to remove rpath
 - Use --disable-static to disable static builds