libxls: update to 1.6.3, use release tarball

Closes: https://trac.macports.org/ticket/69141

textproc/libxls/Portfile

@@ -3,10 +3,8 @@
 PortSystem          1.0
 PortGroup           github 1.0
 
-github.setup        libxls libxls 448240067919707eb95fb009f76f3fdb439b1427
-# Change github.tarball_from to 'releases' or 'archive' next update
-github.tarball_from tarball
-version             1.6.2
+github.setup        libxls libxls 1.6.3 v
+github.tarball_from releases
 conflicts           catdoc
 categories          textproc
 maintainers         {nicos @NicosPavlov} openmaintainer
@@ -16,10 +14,8 @@ description         libxls is a C library which can read Excel (xls) files
 long_description    Library for parsing Excel (XLS) files, with a sample \
                     program for converting Excel files into CSV.
 
-checksums           rmd160  78d0c811d3e4a5f4fbad52df444bfd8527e0716e \
-                    sha256  a6652dd27808afa6bcb8e606250c8dd6c3ce51bbcb71b53faa18ac32ac817712 \
-                    size    325026
+checksums           rmd160 65b4f18d7cceb4cc957ef215e223da486861d42b \
+                    sha256 b2fb836ea0b5253a352fb5ca55742e29f06f94f9421c5b8eeccef2e5d43f622c \
+                    size   469013
 
-depends_build-append    port:autoconf-archive
-
-use_autoreconf      yes
+configure.args      --disable-silent-rules