Merge branch 'bs/config-mak-openbsd'

Build fix for OpenBSD

* bs/config-mak-openbsd:
  config.mak.uname: update settings for OpenBSD

Author: gitster

config.mak.uname

@@ -301,17 +301,14 @@ ifeq ($(uname_S),FreeBSD)
 	FILENO_IS_A_MACRO = UnfortunatelyYes
 endif
 ifeq ($(uname_S),OpenBSD)
-	NO_STRCASESTR = YesPlease
-	NO_MEMMEM = YesPlease
+	DIR_HAS_BSD_GROUP_SEMANTICS = YesPlease
 	USE_ST_TIMESPEC = YesPlease
 	NEEDS_LIBICONV = YesPlease
 	BASIC_CFLAGS += -I/usr/local/include
 	BASIC_LDFLAGS += -L/usr/local/lib
 	HAVE_PATHS_H = YesPlease
 	HAVE_BSD_SYSCTL = YesPlease
-	HAVE_BSD_KERN_PROC_SYSCTL = YesPlease
 	CSPRNG_METHOD = arc4random
-	PROCFS_EXECUTABLE_PATH = /proc/curproc/file
 	FREAD_READS_DIRECTORIES = UnfortunatelyYes
 	FILENO_IS_A_MACRO = UnfortunatelyYes
 endif