6870743: update comments in langtools/make/build.properties

Reviewed-by: darcy

make/build.properties

@@ -29,7 +29,7 @@
 # Override this path as needed, either on the command line or in 
 # one of the standard user build.properties files (see build.xml)
 
-# boot.java.home = /opt/jdk/1.5.0 
+# boot.java.home = /opt/jdk/1.6.0 
 boot.java = ${boot.java.home}/bin/java
 boot.javac = ${boot.java.home}/bin/javac
 boot.javac.source = 6
@@ -40,7 +40,7 @@ boot.javac.target = 6
 # Override this path as needed, either on the command line or in 
 # one of the standard user build.properties files (see build.xml)
 
-# target.java.home = /opt/jdk/1.6.0
+# target.java.home = /opt/jdk/1.7.0
 target.java = ${target.java.home}/bin/java
 
 # Version info -- override as needed