Set LDFLAGS for hardened builds (#1289728)

Without LDFLAGS the git exectuables were not being linked with the
desired settings for hardened builds.

git.spec

@@ -44,7 +44,7 @@
 
 Name:           git
 Version:        2.7.4
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Fast Version Control System
 License:        GPLv2
 Group:          Development/Tools
@@ -349,6 +349,7 @@ find prebuilt_docs/html -type d | xargs rmdir --ignore-fail-on-non-empty
 cat << \EOF > config.mak
 V = 1
 CFLAGS = %{optflags}
+LDFLAGS = %{__global_ldflags}
 BLK_SHA1 = 1
 NEEDS_CRYPTO_WITH_SSL = 1
 USE_LIBPCRE = 1
@@ -686,6 +687,9 @@ rm -rf %{buildroot}
 # No files for you!
 
 %changelog
+* Fri Jul 01 2016 Petr Stodulka  <pstodulk@redhat.com> - 2.7.4-2
+- Set LDFLAGS for hardened builds (#1289728) (thanks Todd)
+
 * Fri Mar 18 2016 David Woodhouse <dwmw2@infradead.org> - 2.7.4-1
 - Update to 2.7.4 (for CVE-2016-2315, CVE-2016-2324)
   Resolves: #1318220