Correct Eclipse CDT jvm requirements.

Author: nedtwigg

lib-extra/build.gradle

@@ -82,7 +82,7 @@ p2deps {
 	}
 	into 'cdtCompileOnly', {
 		p2repo 'https://download.eclipse.org/eclipse/updates/4.26/'
-		p2repo 'https://download.eclipse.org/tools/cdt/releases/11.0/'
+		p2repo 'https://download.eclipse.org/tools/cdt/releases/10.7/'
 		install 'org.eclipse.cdt.core'
 	}
 }

lib-extra/src/main/java/com/diffplug/spotless/extra/cpp/EclipseCdtFormatterStep.java

@@ -37,7 +37,7 @@ public final class EclipseCdtFormatterStep {
 	private EclipseCdtFormatterStep() {}
 
 	private static final String NAME = "eclipse cdt formatter";
-	private static final Jvm.Support<String> JVM_SUPPORT = Jvm.<String> support(NAME).add(11, "11.0");
+	private static final Jvm.Support<String> JVM_SUPPORT = Jvm.<String> support(NAME).add(11, "10.7").add(17, "11.0");
 
 	public static String defaultVersion() {
 		return JVM_SUPPORT.getRecommendedFormatterVersion();