glm: fix installing license file

mingw-w64-glm/PKGBUILD

@@ -4,7 +4,7 @@ _realname=glm
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=1.0.0
-pkgrel=2
+pkgrel=3
 pkgdesc="C++ mathematics library for 3D software based on the OpenGL Shading Language (GLSL) specification (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -51,5 +51,5 @@ package() {
   cp -r "$srcdir"/${_realname}-${pkgver}/doc \
    ${pkgdir}${MINGW_PREFIX}/share/doc/glm
 
-  install -vDm 644 "$srcdir/"${_realname}-${pkgver}/copying.txt -t "${pkgdir}/usr/share/licenses/${_realname}"
+  install -vDm 644 "$srcdir/"${_realname}-${pkgver}/copying.txt -t "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}"
 }