bwping: fix build on mac os x 10.6

net/bwping/Portfile

@@ -23,4 +23,6 @@ checksums               md5     24645a3c60e63ad48369c9e90eb11e3d \
                         sha256  79f84a7e7dc787931de578fe5fe53c17daa9cb009f25f0eb198db2504b48e054 \
                         size    103462
 
+patchfiles              patch-gcc-pedantic.diff
+
 configure.args          --mandir=${prefix}/share/man/

net/bwping/files/patch-gcc-pedantic.diff

@@ -0,0 +1,29 @@
+--- Makefile.am.orig	2019-04-22 21:58:15.000000000 +0300
++++ Makefile.am	2019-04-22 21:58:30.000000000 +0300
+@@ -3,10 +3,10 @@
+ sbin_PROGRAMS = bwping bwping6
+
+ bwping_SOURCES = include/cygwin.h include/features.h src/bwping.c
+-bwping_CFLAGS  = -DBUILD_BWPING -Wall -Wextra -Wpedantic
++bwping_CFLAGS  = -DBUILD_BWPING -Wall -Wextra -pedantic
+
+ bwping6_SOURCES = include/cygwin.h include/features.h src/bwping.c
+-bwping6_CFLAGS  = -DBUILD_BWPING6 -Wall -Wextra -Wpedantic
++bwping6_CFLAGS  = -DBUILD_BWPING6 -Wall -Wextra -pedantic
+
+ man_MANS   = man/bwping.8 man/bwping6.8
+ EXTRA_DIST = man/bwping.8 man/bwping6.8
+--- Makefile.in.orig	2019-04-22 21:58:35.000000000 +0300
++++ Makefile.in	2019-04-22 21:58:51.000000000 +0300
+@@ -488,9 +488,9 @@
+ top_srcdir = @top_srcdir@
+ AUTOMAKE_OPTIONS = subdir-objects
+ bwping_SOURCES = include/cygwin.h include/features.h src/bwping.c
+-bwping_CFLAGS = -DBUILD_BWPING -Wall -Wextra -Wpedantic
++bwping_CFLAGS = -DBUILD_BWPING -Wall -Wextra -pedantic
+ bwping6_SOURCES = include/cygwin.h include/features.h src/bwping.c
+-bwping6_CFLAGS = -DBUILD_BWPING6 -Wall -Wextra -Wpedantic
++bwping6_CFLAGS = -DBUILD_BWPING6 -Wall -Wextra -pedantic
+ man_MANS = man/bwping.8 man/bwping6.8
+ EXTRA_DIST = man/bwping.8 man/bwping6.8
+ dist_check_SCRIPTS = tests/bwping tests/bwping6