#10 always check on STATVFS

Author: Vincent Landgraf

ext/vmstat/extconf.rb

@@ -30,12 +30,11 @@
 have_header 'sys/param.h'
 have_header 'sys/mount.h'
 have_header 'sys/statfs.h'
-if have_func 'statfs'
-  have_struct_member('struct statfs', 'f_type', ['sys/param.h', 'sys/mount.h', 'sys/statfs.h'])
-  have_struct_member('struct statfs', 'f_fstypename', ['sys/param.h', 'sys/mount.h'])
-elsif have_func 'statvfs', ['sys/types.h', 'sys/statvfs.h']
-  have_struct_member('struct statvfs', 'f_basetype', ['sys/types.h', 'sys/statvfs.h'])
-end
+have_func 'statfs'
+have_struct_member('struct statfs', 'f_type', ['sys/param.h', 'sys/mount.h', 'sys/statfs.h'])
+have_struct_member('struct statfs', 'f_fstypename', ['sys/param.h', 'sys/mount.h'])
+have_func 'statvfs', ['sys/types.h', 'sys/statvfs.h']
+have_struct_member('struct statvfs', 'f_basetype', ['sys/types.h', 'sys/statvfs.h'])
 
 # sysctl.h
 sys_headers = ['unistd.h', 'sys/sysctl.h', 'sys/types.h', 'sys/socket.h',