devel/llvm-devel: fix packaging with debug python

The actual suffix if python extensions (at least as built by the LLVM
infrastructure) is ${PYTHON_EXT_SUFFIX}${PYTHON_ABIVER} not merely the
former.

PR:		268437
Sponsored by:	DARPA

devel/llvm-devel/Makefile

@@ -151,6 +151,7 @@ LLD_DESC=		Install lld, the LLVM linker
 LLDB_BUILD_DEPENDS=	swig:devel/swig
 LLDB_DESC=		Install lldb, the LLVM debugger
 LLDB_IMPLIES=		CLANG
+LLDB_PLIST_SUB=		PYTHON_ABIVER=${PYTHON_ABIVER}
 LLDB_USES=		lua:53 libedit
 LLDB_USE=		GNOME=libxml2
 LLDB_VARS=		_USES_PYTHON=python:3.6+
@@ -476,7 +477,7 @@ build-plist:
 	    ${GREP} -v '[/-]lit$$' | ${GREP} -v 'FileCheck$$' | \
 	    ${GREP} -v man/man1 | ${SED} -e 's|${STAGEDIR}${PREFIX}/||' \
 	    -e 's|${PYTHON_SITELIBDIR:C|${PREFIX}/||}|%%PYTHON_SITELIBDIR%%|' \
-	    -e 's|${PYTHON_EXT_SUFFIX:C/\./\\./g}|%%PYTHON_EXT_SUFFIX%%|' \
+	    -e 's|${PYTHON_EXT_SUFFIX:C/\./\\./g}${PYTHON_ABIVER}|%%PYTHON_EXT_SUFFIX%%%%PYTHON_ABIVER%%|' \
 	    -e 's|${PORTVERSION}|%%PORTVERSION%%|' \
 	    -e 's|release.cmake|%%CMAKE_BUILD_TYPE%%.cmake|' \
 	    -e 's|${LLVM_RELEASE:C/\./\\./g}|%%LLVM_RELEASE%%|' \

devel/llvm-devel/pkg-plist

@@ -137,7 +137,7 @@ bin/sancov-devel
 %%LIT%%bin/llvm-lit-devel
 %%LIT%%llvm-devel/bin/llvm-lit
 %%LLDB%%llvm-devel/%%PYTHON_SITELIBDIR%%/lldb/__init__.py
-%%LLDB%%llvm-devel/%%PYTHON_SITELIBDIR%%/lldb/_lldb%%PYTHON_EXT_SUFFIX%%.so
+%%LLDB%%llvm-devel/%%PYTHON_SITELIBDIR%%/lldb/_lldb%%PYTHON_EXT_SUFFIX%%%%PYTHON_ABIVER%%.so
 %%LLDB%%llvm-devel/%%PYTHON_SITELIBDIR%%/lldb/embedded_interpreter.py
 %%LLDB%%llvm-devel/%%PYTHON_SITELIBDIR%%/lldb/formatters/Logger.py
 %%LLDB%%llvm-devel/%%PYTHON_SITELIBDIR%%/lldb/formatters/__init__.py