plan B, skip 1.7.0 patch when building with java 1.5.0

The original code should work, definitely works for me with java 1.5.0,
1.6.0 and 1.7.0, but not on 1.5.0 on the MacOSX PPC buildbot for some
reason.

hsqldb/makefile.mk

@@ -39,6 +39,8 @@ ANT_BUILDFILE=build$/build.xml
 
 .INCLUDE : antsettings.mk
 
+.INCLUDE :  tg_javav.mk
+
 .INCLUDE :  version.mk
 
 .IF "$(SOLAR_JAVA)" != ""
@@ -56,8 +58,12 @@ CONVERTFILES=build$/build.xml \
 PATCH_FILES=patches$/i96823.patch \
             patches$/i97032.patch \
             patches$/i103528.patch \
-            patches$/i104901.patch \
+            patches$/i104901.patch
+
+.IF "$(JAVANUMVER:s/.//)" >= "000100060000"
+PATCH_FILES+= \
             patches$/jdbc-4.1.patch
+.ENDIF
 
 .IF "$(JAVACISGCJ)"=="yes" || "$(JAVA_SOURCE_VER)"=="1.5"
 JAVA_HOME=