[gcr] Don't use non-portable sed -i shell command

[Stefan Walter <stefw src gnome org>]

commit e4cf94c764fd1cdd9f3ba16b2dd0880390345425
Author: Antoine Jacoutot <ajacoutot gnome org>
Date:   Wed May 21 12:49:07 2014 +0200

    Don't use non-portable sed -i shell command
    
    https://bugzilla.gnome.org/show_bug.cgi?id=728506

 egg/Makefile.am |    6 ++++--
 gcr/Makefile.am |    7 ++++++-
 2 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/egg/Makefile.am b/egg/Makefile.am
index 5b28e2a..bb6c1fa 100644
--- a/egg/Makefile.am
+++ b/egg/Makefile.am
@@ -139,8 +139,10 @@ ASN_SRCS = \
 
 asn:
        for asn in $(ASN_SRCS); do \
-               asn1Parser -o $(srcdir)/$$asn.h $(srcdir)/$$asn; \
-               sed -i 's|#include.*|/* \0 */|' $(srcdir)/$$asn.h; \
+               asn1Parser -o $(srcdir)/$$asn.h.tmp $$asn && \
+               sed 's|#include.*|/* \0 */|' < $(srcdir)/$$asn.h.tmp > $(srcdir)/$$asn.h.tmp2 && \
+               mv $(srcdir)/$$asn.h.tmp2 $(srcdir)/$$asn.h && \
+               rm -f $(srcdir)/$$asn.h.tmp $(srcdir)/$$asn.h.tmp2
        done
 
 EXTRA_DIST += \
diff --git a/gcr/Makefile.am b/gcr/Makefile.am
index 2be0658..774cc12 100644
--- a/gcr/Makefile.am
+++ b/gcr/Makefile.am
@@ -159,9 +159,14 @@ DBUS_XML_DEFINITIONS = \
 gcr/gcr-dbus-generated.c: $(DBUS_XML_DEFINITIONS)
        $(AM_V_GEN) $(GDBUS_CODEGEN) --interface-prefix org.gnome.keyring.internal. \
                --generate-c-code gcr/gcr-dbus-generated --c-namespace GcrDBus $^
-       $(AM_V_GEN) sed -i -e 's/gcr_dbus/_gcr_dbus/g' gcr/gcr-dbus-generated.[ch]
+       $(AM_V_GEN) sed -e 's/gcr_dbus/_gcr_dbus/g' \
+               gcr/gcr-dbus-generated.c > gcr/gcr-dbus-generated.c.tmp && \
+       mv gcr/gcr-dbus-generated.c.tmp gcr/gcr-dbus-generated.c
 
 gcr/gcr-dbus-generated.h: gcr/gcr-dbus-generated.c
+       $(AM_V_GEN) sed -e 's/gcr_dbus/_gcr_dbus/g' \
+               gcr/gcr-dbus-generated.h > gcr/gcr-dbus-generated.h.tmp && \
+       mv gcr/gcr-dbus-generated.h.tmp gcr/gcr-dbus-generated.h
 
 pkgconfig_DATA += \
        gcr-base-$(GCR_MAJOR).pc