Fix building with jdk9

OBS-URL: https://build.opensuse.org/package/show/Java:packages/servletapi4?expand=0&rev=13

java160_build.patch

@@ -6,7 +6,7 @@ Index: jakarta-servletapi-4-src/build.xml
  
      <!-- Java classes -->
      <javac srcdir="src/share" destdir="${servletapi.build}/classes"
-+      source="1.4" target="1.4"
++      source="1.6" target="1.6"
             debug="${compile.debug}" deprecation="${compile.deprecation}"
          optimize="${compile.optimize}"/>
  
@@ -14,7 +14,7 @@ Index: jakarta-servletapi-4-src/build.xml
    <target name="javadoc" depends="prepare">
  
      <javadoc packagenames="javax.servlet.*"
-+      source="1.4"
++      source="1.6" additionalparam="-Xdoclint:none"
               sourcepath="${basedir}/src/share"
               destdir="${servletapi.build}/docs/api"
               use="true"

servletapi4.changes

@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Sun Sep 10 13:00:57 UTC 2017 - fstrba@suse.com
+
+- Removed patch:
+  * java150_build.patch
+- Added patch:
+  * java160_build.patch
+    + Specify java source and target level 1.6 in order to allow
+      building with jdk9
+    + Disable doclint, since errors of javadoc in jdk9 are fatal
+
 -------------------------------------------------------------------
 Tue Sep 29 20:07:26 UTC 2015 - dmueller@suse.com
 

servletapi4.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package servletapi4
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,7 +26,7 @@ License:        Apache-1.1
 Group:          Development/Libraries/Java
 Url:            http://jakarta.apache.org/tomcat/
 Source:         %{full_name}-4-src.tar.gz
-Patch150:       java150_build.patch
+Patch160:       java160_build.patch
 BuildRequires:  ant
 BuildRequires:  ant >= 1.2
 BuildRequires:  java-devel >= 1.7.0
@@ -56,7 +56,7 @@ contains the javadoc documentation for the Java Servlet and JSP APIs.
 
 %prep
 %setup -q -n %{full_name}-4-src
-%patch150 -p1
+%patch160 -p1
 
 %build
 ant dist -Dservletapi.build=build -Dservletapi.dist=dist