bullet build script:

- try fix 32bit linux build

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8881 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/nbproject/build-bullet-natives.xml

@@ -368,6 +368,7 @@
             <arg value="-DCMAKE_CXX_FLAGS=-fPIC"/>
             <arg value="-DCMAKE_C_FLAGS=-m32"/>
             <arg value="-DCMAKE_CXX_FLAGS=-m32"/>
+            <arg value="-DCMAKE_LD_FLAGS=-m32"/>
             <arg value="-DBUILD_EXTRAS=off"/>
             <arg value="-DBUILD_DEMOS=off"/>
             <arg value="-DCMAKE_BUILD_TYPE=Release"/>