Remove unnecessary forward slash

Author: rjeberhard

Dockerfile

@@ -20,9 +20,9 @@ RUN set -eux; \
     else \
       JAVA_URL=$JAVA_URL_AARCH64; \
     fi; \
-    curl -fL -o /jdk.tar.gz "$JAVA_URL"; \
+    curl -fL -o jdk.tar.gz "$JAVA_URL"; \
     mkdir -p /jdk; \
-    tar --extract --file /jdk.tar.gz --directory /jdk --strip-components 1; \
+    tar --extract --file jdk.tar.gz --directory /jdk --strip-components 1; \
     /jdk/bin/jlink --verbose --compress 2 --strip-java-debug-attributes --no-header-files --no-man-pages --output jre --add-modules java.base,java.desktop,java.instrument,java.management,java.naming,java.net.http,java.sql,jdk.attach,jdk.jdi,jdk.unsupported,jdk.crypto.ec,jdk.zipfs
 
 FROM ghcr.io/oracle/oraclelinux:9-slim