Update to 1.6.3 to fix building for armv7l
- Version 1.6.3:
* apr_file_trunc: Truncating a buffered file could add unexpected
data after the truncate position. PR 51017.
* apr_file_trunc: Fix an issue where reading from a buffered file
after truncate could return stale data from the buffer.
* apr_ipsubnet_create() now fails for an empty input string.
OBS-URL: https://build.opensuse.org/request/show/606113
OBS-URL: https://build.opensuse.org/package/show/Apache/apr?expand=0&rev=13
