Fix another portability issue from commit 758ce9b7.

strerror.c now requires strlcpy() in some cases, and a couple of the
ecpg libraries did not have that at hand.  Pull it in from src/port/
following the usual recipe.  Per buildfarm.

src/interfaces/ecpg/compatlib/.gitignore

@@ -3,4 +3,5 @@
 /exports.list
 /snprintf.c
 /strerror.c
+/strlcpy.c
 /strnlen.c

src/interfaces/ecpg/compatlib/Makefile

@@ -32,7 +32,7 @@ SHLIB_EXPORTS = exports.txt
 LIBS := $(filter-out -lpgport, $(LIBS))
 
 OBJS= informix.o snprintf.o strerror.o \
-	$(filter strnlen.o, $(LIBOBJS)) $(WIN32RES)
+	$(filter strlcpy.o strnlen.o, $(LIBOBJS)) $(WIN32RES)
 
 PKG_CONFIG_REQUIRES_PRIVATE = libecpg libpgtypes
 
@@ -49,7 +49,7 @@ submake-pgtypeslib:
 # Shared library stuff
 include $(top_srcdir)/src/Makefile.shlib
 
-snprintf.c strerror.c strnlen.c: % : $(top_srcdir)/src/port/%
+snprintf.c strerror.c strlcpy.c strnlen.c: % : $(top_srcdir)/src/port/%
 	rm -f $@ && $(LN_S) $< .
 
 install: all installdirs install-lib
@@ -59,6 +59,6 @@ installdirs: installdirs-lib
 uninstall: uninstall-lib
 
 clean distclean: clean-lib
-	rm -f $(OBJS) snprintf.c strerror.c strnlen.c
+	rm -f $(OBJS) snprintf.c strerror.c strlcpy.c strnlen.c
 
 maintainer-clean: distclean maintainer-clean-lib

src/interfaces/ecpg/pgtypeslib/.gitignore

@@ -5,5 +5,6 @@
 /rint.c
 /snprintf.c
 /strerror.c
+/strlcpy.c
 /string.c
 /strnlen.c

src/interfaces/ecpg/pgtypeslib/Makefile

@@ -31,7 +31,7 @@ SHLIB_EXPORTS = exports.txt
 
 OBJS= numeric.o datetime.o common.o dt_common.o timestamp.o interval.o \
 	pgstrcasecmp.o snprintf.o strerror.o \
-	$(filter rint.o strnlen.o, $(LIBOBJS)) \
+	$(filter rint.o strlcpy.o strnlen.o, $(LIBOBJS)) \
 	string.o \
 	$(WIN32RES)
 
@@ -45,7 +45,7 @@ include $(top_srcdir)/src/Makefile.shlib
 # necessarily use the same object files as the backend uses. Instead,
 # symlink the source files in here and build our own object file.
 
-pgstrcasecmp.c rint.c snprintf.c strerror.c strnlen.c: % : $(top_srcdir)/src/port/%
+pgstrcasecmp.c rint.c snprintf.c strerror.c strlcpy.c strnlen.c: % : $(top_srcdir)/src/port/%
 	rm -f $@ && $(LN_S) $< .
 
 string.c: % : $(top_srcdir)/src/common/%
@@ -58,6 +58,6 @@ installdirs: installdirs-lib
 uninstall: uninstall-lib
 
 clean distclean: clean-lib
-	rm -f $(OBJS) pgstrcasecmp.c rint.c snprintf.c strerror.c strnlen.c string.c
+	rm -f $(OBJS) pgstrcasecmp.c rint.c snprintf.c strerror.c strlcpy.c strnlen.c string.c
 
 maintainer-clean: distclean maintainer-clean-lib