qtcreator: Fix typo, use libtool

[Kamil Rytarowski <n54%gmx.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By:	kamil
Date:		Tue Jun 14 22:20:46 2016 +0200
Changeset:	11f762edf970c50b2d913fb70d313aab52226b66

Modified Files:
	qtcreator/Makefile

Log Message:
qtcreator: Fix typo, use libtool

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=11f762edf970c50b2d913fb70d313aab52226b66

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 qtcreator/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diffs:
diff --git a/qtcreator/Makefile b/qtcreator/Makefile
index bc807b6..a11ccd5 100644
--- a/qtcreator/Makefile
+++ b/qtcreator/Makefile
@@ -12,8 +12,9 @@ COMMENT=	Cross-platform IDE for Qt and C++
 LICENSE=	gnu-lgpl-v3
 
 USE_LANGUAGES=	c c++
+USE_LIBTOOL=	yes
 
-INSTALL_MAKE_FLAGS+=	INSTALL_ROOT=${DESTDIR}/%{PREFIX}
+INSTALL_MAKE_FLAGS+=	INSTALL_ROOT=${DESTDIR}/${PREFIX}
 INSTALL_TARGET=		install install_inst_qch_docs
 
 do-configure: