Do not pull optional dependencies

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

rust-libgit2-sys.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.7.11
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Native bindings to the libgit2 library
 
 # Upstream license specification: MIT/Apache-2.0
@@ -25,11 +25,8 @@ ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 BuildRequires:  (crate(cc/default) >= 1.0.25 with crate(cc/default) < 2.0.0)
-BuildRequires:  (crate(curl-sys/default) >= 0.4.10 with crate(curl-sys/default) < 0.5.0)
 BuildRequires:  (crate(libc/default) >= 0.2.0 with crate(libc/default) < 0.3.0)
-BuildRequires:  (crate(libssh2-sys/default) >= 0.2.11 with crate(libssh2-sys/default) < 0.3.0)
 BuildRequires:  (crate(libz-sys/default) >= 1.0.22 with crate(libz-sys/default) < 2.0.0)
-BuildRequires:  (crate(openssl-sys/default) >= 0.9.0 with crate(openssl-sys/default) < 0.10.0)
 BuildRequires:  (crate(pkg-config/default) >= 0.3.0 with crate(pkg-config/default) < 0.4.0)
 BuildRequires:  (pkgconfig(libgit2) >= 0.27 with pkgconfig(libgit2) < 0.28)
 
@@ -166,6 +163,9 @@ rm -vrf libgit2
 %endif
 
 %changelog
+* Sun Mar 10 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.7.11-5
+- Do not pull optional dependencies
+
 * Sun Feb 10 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.7.11-4
 - Trivial fixes