hooks/strip-and-debug-pkgs: make regexp a bit more generic to match more cases.

ld-linux sonames from glibc, were not matched resulting in incomplete
shlib-provides. The regexp now allows sonames without the "lib" prefix.

common/hooks/post-install/03-strip-and-debug-pkgs.sh

@@ -106,7 +106,7 @@ hook() {
 			fi
 			echo "   Stripped library: ${f#$PKGDESTDIR}"
 			_soname=$(${OBJDUMP} -p "$f"|grep SONAME|awk '{print $2}')
-			pattern="^lib[[:alnum:]_-]+(.*)+\.so(\.[0-9]+)*$"
+			pattern="^[[:alnum:]]+(.*)+\.so(\.[0-9]+)*$"
 			if [[ ${_soname} =~ $pattern ]]; then
 				if [ ! -e ${PKGDESTDIR}/usr/lib/${fname} ]; then
 					continue