Add missing BRs/Rs.

- libXcomposite is now required since we use upstream
  JDK-8150954 patch.
- Add unzip as BR since OpenJDK build requires it.

java-1.8.0-openjdk.spec

@@ -822,6 +822,9 @@ exit 0
 %define java_rpo() %{expand:
 Requires: fontconfig%{?_isa}
 Requires: xorg-x11-fonts-Type1
+# Require libXcomposite explicitly since it's only dynamically loaded
+# at runtime. Fixes screenshot issues. See JDK-8150954.
+Requires: libXcomposite%{?_isa}
 # Requires rest of java
 Requires: %{name}-headless%{?1}%{?_isa} = %{epoch}:%{version}-%{release}
 OrderWithRequires: %{name}-headless%{?1}%{?_isa} = %{epoch}:%{version}-%{release}
@@ -961,7 +964,7 @@ Provides: java-%{javaver}-%{origin}-accessibility = %{epoch}:%{version}-%{releas
 
 Name:    java-%{javaver}-%{origin}
 Version: %{javaver}.%{updatever}.%{buildver}
-Release: 4%{?dist}
+Release: 5%{?dist}
 # java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
 # and this change was brought into RHEL-4. java-1.5.0-ibm packages
 # also included the epoch in their virtual provides. This created a
@@ -1258,6 +1261,7 @@ BuildRequires: nss-devel
 BuildRequires: pkgconfig
 BuildRequires: xorg-x11-proto-devel
 BuildRequires: zip
+BuildRequires: unzip
 # Use OpenJDK 7 where available (on RHEL) to avoid
 # having to use the rhel-7.x-java-unsafe-candidate hack
 %if ! 0%{?fedora} && 0%{?rhel} <= 7
@@ -2280,6 +2284,11 @@ require "copy_jdk_configs.lua"
 %endif
 
 %changelog
+* Mon Oct 01 2018 Severin Gehwolf <sgehwolf@redhat.com> - 1:1.8.0.181.b15-5
+- Add explicit requirement for libXcomposite which is used when performing
+  screenshots from Java.
+- Add explicit BR unzip required for building OpenJDK.
+
 * Thu Sep 27 2018 Severin Gehwolf <sgehwolf@redhat.com> - 1:1.8.0.181.b15-4
 - Add fixes for optimization gaps (annocheck issues):
   - 8210761: libjsig is being compiled without optimization