backported fix for hcompress

cfitsio-fix-hcompress-overflow.patch

@@ -0,0 +1,12 @@
+diff -Naur cfitsio/imcompress.c cfitsio.new/imcompress.c
+--- cfitsio/imcompress.c	2013-11-22 21:37:42.000000000 +0100
++++ cfitsio.new/imcompress.c	2017-10-02 14:59:15.109929047 +0200
+@@ -6315,7 +6315,7 @@
+ 	    */
+ 	       
+             if ((infptr->Fptr)->compress_type == HCOMPRESS_1) {
+-	        if (*status == NUM_OVERFLOW) *status = 0;
++	        if ((*status == NUM_OVERFLOW) || (*status == OVERFLOW_ERR)) *status = 0;
+ 	    }
+           }
+         else if (tiledatatype == TSHORT)

cfitsio.spec

@@ -1,6 +1,6 @@
 Name: cfitsio
 Version: 3.370
-Release: 9%{?dist}
+Release: 10%{?dist}
 Summary: Library for manipulating FITS data files
 Group: Development/Libraries
 License: MIT
@@ -12,6 +12,8 @@ Patch0: cfitsio-zlib.patch
 Patch1: cfitsio-noversioncheck.patch
 # Some rearrangements in pkg-config file
 Patch2: cfitsio-pkgconfig.patch
+# Backported fix for hcompress
+Patch3: cfitsio-fix-hcompress-overflow.patch
 
 BuildRequires:     gcc-gfortran zlib-devel
 BuildRequires:     bzip2-devel
@@ -80,6 +82,7 @@ compression algorithm.
 %patch0 -p1
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1
 
 # remove bundled zlib
 # not all the files inside zlib belong to zlib
@@ -142,6 +145,9 @@ chmod 755 %{buildroot}%{_bindir}/f{,un}pack
 %{_bindir}/funpack
 
 %changelog
+* Mon Oct 02 2017 Christian Dersch <lupinix@mailbox.org> - 3.370-10
+- Fix hcompress
+
 * Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.370-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild