Fixed njs module versioning.

RPM does not accept hyphens as a part of Version, so change the delimiter to a
dot.  The same is done for Debian/Ubuntu packaging to make versioning
consistent over different distributions.

debian/nginx-module-njs.version

diff --git a/debian/nginx-module-njs.version b/debian/nginx-module-njs.version
index 3ac53c7..bd05399 100644
--- a/debian/nginx-module-njs.version
+++ b/debian/nginx-module-njs.version
@@ -1 +1 @@
-1.10.0-0.0.20160414.1c50334fbea6-1
+1.10.0.0.0.20160414.1c50334fbea6-1

rpm/SPECS/nginx.spec

diff --git a/rpm/SPECS/nginx.spec b/rpm/SPECS/nginx.spec
index cf71c81..00131a4 100644
--- a/rpm/SPECS/nginx.spec
+++ b/rpm/SPECS/nginx.spec
@@ -72,7 +72,7 @@
 %define module_perl_version          %{main_version}
 %define module_perl_release          1%{?dist}.ngx
 %define module_njs_shaid             1c50334fbea6
-%define module_njs_version           %{main_version}-0.0.20160414.%{module_njs_shaid}
+%define module_njs_version           %{main_version}.0.0.20160414.%{module_njs_shaid}
 %define module_njs_release           1%{?dist}.ngx
 
 %define bdir %{_builddir}/%{name}-%{main_version}