[libgda: 1/2] JDBC: Drop unneeded JAVAH variable check

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 8c97b3066e4dee9ecf103251e14dbfa1ff39a5b8
Author: Kalev Lember <klember redhat com>
Date:   Tue Dec 4 16:20:24 2018 +0100

    JDBC: Drop unneeded JAVAH variable check
    
    Commit b8d0997 dropped javah detection from java.m4, but left in a JAVAH
    variable check which broke the build, as nothing ever sets the variable
    any more.

 m4/java.m4 | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/m4/java.m4 b/m4/java.m4
index 1ef32f179..f036e4c79 100644
--- a/m4/java.m4
+++ b/m4/java.m4
@@ -116,7 +116,6 @@ m4_define([_JAVA_CHECK_INTERNAL],
        have_all_java=yes
        if test -z "$JAVA_PROG"; then have_all_java=no; fi
        if test -z "$JAVAC"; then have_all_java=no; fi
-       if test -z "$JAVAH"; then have_all_java=no; fi
        if test -z "$JAR"; then have_all_java=no; fi
        if test ${have_all_java} = no; then
            AC_MSG_WARN([one or more Java tools are missing (JRE is not sufficient)])