xmlrpc-c: switch to advanced release

According to [1], there are 3 Xmlrpc-c releases: Super Stable,
Stable and Advanced, and Advanced is newly updated.

The version in stable sub directory is 1.60.0 which is mismatch
with recipe version

Switch to advanced sub directory, in which the version is 1.64.0

root@intel-x86-64:~# xmlrpc-c-config  --version
1.64.0

[1] https://xmlrpc-c.sourceforge.io/downloading.php

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/xmlrpc-c/xmlrpc-c_1.64.0.bb

@@ -11,10 +11,9 @@ SRC_URI = "git://github.com/mirror/xmlrpc-c.git;branch=master;protocol=https \
            file://0001-unix-common.mk-Ensuring-Sequential-Execution-of-rm-a.patch \
            file://0001-fix-bool-reserved-word-error-in-gcc-15.patch;striplevel=2 \
            "
-# one more commit after Release 1.64.0 in the Stable series
 SRCREV = "8ce36bce2438df9b02fcaafd19efa90a56426601"
 
-S = "${WORKDIR}/git/stable"
+S = "${WORKDIR}/git/advanced"
 
 inherit autotools-brokensep binconfig pkgconfig