fix(main/xmlstarlet): Fix building with current clang

packages/xmlstarlet/build.sh

@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Command line XML toolkit"
 TERMUX_PKG_LICENSE="MIT"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=1.6.1
-TERMUX_PKG_REVISION=5
+TERMUX_PKG_REVISION=6
 TERMUX_PKG_SRCURL=http://downloads.sourceforge.net/project/xmlstar/xmlstarlet/${TERMUX_PKG_VERSION}/xmlstarlet-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=15d838c4f3375332fd95554619179b69e4ec91418a3a5296e7c631b7ed19e7ca
 TERMUX_PKG_DEPENDS="libxslt, libxml2"

packages/xmlstarlet/src-xml.c.patch

@@ -0,0 +1,12 @@
+diff -u -r ../xmlstarlet-1.6.1/src/xml.c ./src/xml.c
+--- ../xmlstarlet-1.6.1/src/xml.c	2014-08-09 21:50:55.000000000 +0000
++++ ./src/xml.c	2024-05-21 12:15:20.663891778 +0000
+@@ -104,7 +104,7 @@
+ /* by default all errors are reported */
+ static ErrorInfo errorInfo = { NULL, NULL, VERBOSE, CONTINUE };
+ 
+-void reportError(void *ptr, xmlErrorPtr error)
++void reportError(void *ptr, const xmlError * error)
+ {
+     ErrorInfo *errorInfo = (ErrorInfo*) ptr;
+     assert(errorInfo);

packages/xmlstarlet/src-xmlstar.h.patch

@@ -0,0 +1,12 @@
+diff -u -r ../xmlstarlet-1.6.1/src/xmlstar.h ./src/xmlstar.h
+--- ../xmlstarlet-1.6.1/src/xmlstar.h	2014-03-03 00:15:08.000000000 +0000
++++ ./src/xmlstar.h	2024-05-21 12:15:09.735932324 +0000
+@@ -32,7 +32,7 @@
+     ErrorStop stop;
+ } ErrorInfo;
+ 
+-void reportError(void *ptr, xmlErrorPtr error);
++void reportError(void *ptr, const const xmlError * error);
+ void suppressErrors(void);
+ 
+ typedef struct _gOptions {