depends: fix systemtap download URL

Author: fanquake

depends/packages/systemtap.mk

@@ -1,6 +1,6 @@
 package=systemtap
 $(package)_version=4.7
-$(package)_download_path=https://sourceware.org/systemtap/ftp/releases/
+$(package)_download_path=https://sourceware.org/ftp/systemtap/releases/
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
 $(package)_sha256_hash=43a0a3db91aa4d41e28015b39a65e62059551f3cc7377ebf3a3a5ca7339e7b1f
 $(package)_patches=remove_SDT_ASM_SECTION_AUTOGROUP_SUPPORT_check.patch