fix argument reading for non x86_64 archs - use int instead of char

pnm2ppa-optargs-read.patch

@@ -0,0 +1,13 @@
+diff --git a/pnm2ppa.c b/pnm2ppa.c
+index 4ae36ce..0d60fbb 100644
+--- a/pnm2ppa.c
++++ b/pnm2ppa.c
+@@ -604,7 +604,7 @@ main (int argc, char *argv[])
+   int i, opt_index;
+   FILE *in = NULL, *out = NULL, *gf = NULL;
+   struct stat tmpstat;
+-  char c;
++  int c;
+   BOOLEAN get_Gamma = true;
+ 
+   char *gammaFile=NULL; 

pnm2ppa.spec

@@ -2,7 +2,7 @@ Name: pnm2ppa
 Summary: Drivers for printing to HP PPA printers
 Epoch: 1
 Version: 1.04
-Release: 47%{?dist}
+Release: 48%{?dist}
 URL: http://sourceforge.net/projects/pnm2ppa 
 Source: http://download.sourceforge.net/pnm2ppa/pnm2ppa-%{version}.tar.gz
 # Following sourcelink is dead currently.
@@ -17,6 +17,8 @@ Patch4: pnm2ppa-coverity-return-local.patch
 Patch5: pnm2ppa-ldflags.patch
 # FTBFS with GCC 10
 Patch6: pnm2ppa-gcc10.patch
+# fix argument reading for non x86_64 archs - use int instead of char
+Patch7: pnm2ppa-optargs-read.patch
 License: GPLv2+
 
 # gcc is no longer in buildroot by default
@@ -43,6 +45,7 @@ Install pnm2ppa if you need to print to a PPA printer.
 %patch4 -p1 -b .coverity-return-local
 %patch5 -p1 -b .ldflags
 %patch6 -p1 -b .gcc10
+%patch7 -p1 -b .optargs-read
 
 for file in docs/en/LICENSE pbm2ppa-0.8.6/LICENSE; do
  sed "s|\r||g" $file > $file.new && \
@@ -99,6 +102,9 @@ done
 %config(noreplace) %{_sysconfdir}/pbm2ppa.conf
 
 %changelog
+* Tue Aug 04 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1:1.04-48
+- fix argument reading for non x86_64 archs - use int instead of char
+
 * Mon Aug 03 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1:1.04-47
 - add foomatic as a dependency, because pnm2ppa drivers are not available as a driver without it