adol-c: fix libdir and pkgdesc

Author: lazka

mingw-w64-adol-c/PKGBUILD

@@ -5,7 +5,7 @@ pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=2.7.2
 pkgrel=1
-pkgdesc'Automatic Differentiation of Algorithms written in C/C++ (mingw-w64)'
+pkgdesc='Automatic Differentiation of Algorithms written in C/C++ (mingw-w64)'
 arch=('any')
 depends=("${MINGW_PACKAGE_PREFIX}-boost"
          "${MINGW_PACKAGE_PREFIX}-libtool")
@@ -28,6 +28,7 @@ build() {
     --prefix=${MINGW_PREFIX} \
     --enable-static \
     --with-gnu-ld \
+    --libdir=${MINGW_PREFIX}/lib \
     --with-openmp-flag="-fopenmp" \
     --with-boost=${MINGW_PREFIX}