Mark as BROKEN on powerpc64 12. It builds on -head.

While here, pet portlint (remove extra blank line).

Approved by:	portmgr (tier-2 blanket)

biology/gatk/Makefile

@@ -11,6 +11,8 @@ COMMENT=	Variant discovery in high-throughput sequencing data
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.TXT
 
+BROKEN_FreeBSD_12_powerpc64=	fails to build: String index out of range: -1
+
 BUILD_DEPENDS=	gradle62:devel/gradle62
 
 USES=		gettext-runtime
@@ -52,7 +54,6 @@ post-extract: # need a separate extract step because the cache is in /tmp, and n
 	@cd ${DEPS_CACHE_DIR} && ${TAR} xzf ${DISTDIR}/${PORTNAME}-${DISTVERSION}-deps${EXTRACT_SUFX}
 .endif
 
-
 do-build:
 	@cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} gradle62 \
 		--gradle-user-home ${DEPS_CACHE_DIR}/gradle-${PORTNAME} --project-cache-dir ${DEPS_CACHE_DIR}/gradle-${PORTNAME} \