Merge pull request #4193 from pks-t/pks/libdir

pkgconfig: fix handling of prefixes containing whitespaces
diff --git a/libgit2.pc.in b/libgit2.pc.in
index 329a560..96b9659 100644
--- a/libgit2.pc.in
+++ b/libgit2.pc.in
@@ -1,4 +1,4 @@
-prefix=@PKGCONFIG_PREFIX@
+prefix="@PKGCONFIG_PREFIX@"
 libdir=@PKGCONFIG_LIBDIR@
 includedir=@PKGCONFIG_INCLUDEDIR@
 
@@ -6,7 +6,7 @@
 Description: The git library, take 2
 Version: @LIBGIT2_VERSION_STRING@
 
-Libs: -L"${libdir}" -lgit2
+Libs: -L${libdir} -lgit2
 Libs.private: @LIBGIT2_PC_LIBS@
 Requires.private: @LIBGIT2_PC_REQUIRES@