[gimp] plug-ins: never edit common/Makefile.am directly

[Michael Natterer <mitch src gnome org>]

commit c8e1703dce9ca24d07fd2ba1f47bec837a6cabaa
Author: Michael Natterer <mitch gimp org>
Date:   Mon Jan 8 02:39:34 2018 +0100

    plug-ins: never edit common/Makefile.am directly
    
    edit plugin-defs.pl and run ./mkgen.pl

 plug-ins/common/Makefile.am    |    1 -
 plug-ins/common/plugin-defs.pl |    2 +-
 2 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/plug-ins/common/Makefile.am b/plug-ins/common/Makefile.am
index 24ec38b..314e75f 100644
--- a/plug-ins/common/Makefile.am
+++ b/plug-ins/common/Makefile.am
@@ -147,7 +147,6 @@ EXTRA_PROGRAMS = \
        file-aa \
        file-jp2-load \
        file-mng \
-       file-pdf-load \
        file-pdf-save \
        file-ps \
        file-wmf \
diff --git a/plug-ins/common/plugin-defs.pl b/plug-ins/common/plugin-defs.pl
index ea7481b..010a469 100644
--- a/plug-ins/common/plugin-defs.pl
+++ b/plug-ins/common/plugin-defs.pl
@@ -45,7 +45,7 @@
     'file-pix' => { ui => 1, gegl => 1 },
     'file-png' => { ui => 1, gegl => 1, libs => 'PNG_LIBS', cflags => 'PNG_CFLAGS' },
     'file-pnm' => { ui => 1, gegl => 1 },
-    'file-pdf-load' => { ui => 1, optional => 1, libs => 'POPPLER_LIBS', cflags => 'POPPLER_CFLAGS' },
+    'file-pdf-load' => { ui => 1, libs => 'POPPLER_LIBS', cflags => 'POPPLER_CFLAGS' },
     'file-pdf-save' => { ui => 1, gegl => 1, optional => 1, libs => 'CAIRO_PDF_LIBS', cflags => 
'CAIRO_PDF_CFLAGS' },
     'file-ps' => { ui => 1, gegl => 1, optional => 1, libs => 'GS_LIBS' },
     'file-psp' => { ui => 1, gegl => 1, libs => 'Z_LIBS' },