RPM packaging: fix kvirc, tellico, libksquirrel, tdnetwork build on Fedora 23/24

diff --git a/redhat/applications/kvirc/kvirc-14.0.0.spec b/redhat/applications/kvirc/kvirc-14.0.0.spec
index 141201e..6ba3059 100644
--- a/redhat/applications/kvirc/kvirc-14.0.0.spec
+++ b/redhat/applications/kvirc/kvirc-14.0.0.spec
@@ -1,4 +1,4 @@
-%if 0%{?fedora} == 23
+%if 0%{?fedora} >= 23
 %define _hardened_ldflags %nil
 %endif
 
diff --git a/redhat/applications/tellico/tellico-14.0.0.spec b/redhat/applications/tellico/tellico-14.0.0.spec
index 5f48161..8f36192 100644
--- a/redhat/applications/tellico/tellico-14.0.0.spec
+++ b/redhat/applications/tellico/tellico-14.0.0.spec
@@ -1,4 +1,4 @@
-%if 0%{?fedora} == 23
+%if 0%{?fedora} >= 23
 %define _hardened_ldflags %nil
 %endif
 
diff --git a/redhat/libraries/libksquirrel/libksquirrel-14.0.0.spec b/redhat/libraries/libksquirrel/libksquirrel-14.0.0.spec
index 8c566a2..4786651 100644
--- a/redhat/libraries/libksquirrel/libksquirrel-14.0.0.spec
+++ b/redhat/libraries/libksquirrel/libksquirrel-14.0.0.spec
@@ -1,4 +1,4 @@
-%if 0%{?fedora} == 23
+%if 0%{?fedora} >= 23
 %define _hardened_ldflags %nil
 %endif
 
diff --git a/redhat/main/tdenetwork/tdenetwork-14.0.0.spec b/redhat/main/tdenetwork/tdenetwork-14.0.0.spec
index f0e3758..63cc9a9 100644
--- a/redhat/main/tdenetwork/tdenetwork-14.0.0.spec
+++ b/redhat/main/tdenetwork/tdenetwork-14.0.0.spec
@@ -1,3 +1,7 @@
+%if 0%{?fedora} >= 23
+%define _hardened_ldflags %nil
+%endif
+
 #
 # spec file for package tdenetwork (version R14)
 #