[gnome-build-meta] libgit2: Ensure library gets installed to %{libdir}

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 3d2d0155d81343bc9831377bf82679149ee66d8c
Author: Martin Blanchard <tchaik gmx com>
Date:   Mon May 21 21:32:32 2018 +0100

    libgit2: Ensure library gets installed to %{libdir}
    
    BuildStream's CMake plugin declares CMAKE_INSTALL_LIBDIR by default for
    libdir while libgit2 expects LIB_INSTALL_DIR: enforce LIB_INSTALL_DIR.

 elements/world/libgit2.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/world/libgit2.bst b/elements/world/libgit2.bst
index 17f587f..93ff6d7 100644
--- a/elements/world/libgit2.bst
+++ b/elements/world/libgit2.bst
@@ -6,4 +6,4 @@ depends:
 - filename: base.bst
   junction: freedesktop-sdk.bst
 variables:
-  cmake-local: -DTHREADSAFE:BOOL=1
+  cmake-local: -DLIB_INSTALL_DIR:PATH=%{libdir} -DTHREADSAFE:BOOL=1