uname -s is sufficient

The OS' release version is discarded anyway....so we won't ask for it.

core/c/jbigi/mbuild-all.sh

@@ -76,7 +76,7 @@ if [ "$VER" = "" ] ; then
 fi
 
 
-case `uname -sr` in
+case `uname -s` in
 MINGW*)
         PLATFORM_LIST="${MINGW_PLATFORMS}"
         NAME="jbigi"

core/c/jbigi/mbuild_jbigi.sh

@@ -4,7 +4,7 @@
 # When executed in OSX: Produces a libjbigi.jnilib
 CC="gcc"
 
-case `uname -sr` in
+case `uname -s` in
 MINGW*)
         JAVA_HOME="c:/software/j2sdk1.4.2_05"
         COMPILEFLAGS="-Wall"