Update to samba-4.17.5

Release notes:
https://www.samba.org/samba/history/samba-4.17.5.html

Tests and ok bket@ and Ian McWilliam (co-maintainer)

net/samba/Makefile

@@ -1,4 +1,4 @@
-VERSION =		4.17.4
+VERSION =		4.17.5
 DISTNAME =		samba-${VERSION}
 EPOCH =			0
 

net/samba/distinfo

@@ -1,2 +1,2 @@
-SHA256 (samba-4.17.4.tar.gz) = wFEgedtMrHB8zqTBiuu9ay6zrPbpBzXn9kWjJr4fRTc=
-SIZE (samba-4.17.4.tar.gz) = 30838334
+SHA256 (samba-4.17.5.tar.gz) = 67eIDUdP/AnXO1/He8vWV/YjWRAzczGpwk1/acoRRCs=
+SIZE (samba-4.17.5.tar.gz) = 30846334

net/samba/patches/patch-source3_wscript

@@ -22,7 +22,7 @@ Index: source3/wscript
          conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
  
      # We crash without vfs_default
-@@ -1672,6 +1673,7 @@ main() {
+@@ -1673,6 +1674,7 @@ int main() {
  
      conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
                      'SEEKDIR_RETURNS_VOID',
@@ -30,7 +30,7 @@ Index: source3/wscript
                      headers='sys/types.h dirent.h',
                      msg='Checking whether seekdir returns void')
  
-@@ -1802,7 +1804,7 @@ main() {
+@@ -1803,7 +1805,7 @@ int main() {
          else:
              conf.fatal('AFS headers not available, but --with-fake-kaserver was specified')