BUG: bad shell construct for building optional component

applications/utilities/mesh/conversion/Optional/Allwmake

@@ -11,12 +11,11 @@ cd ${0%/*} || exit 1    # Run from this directory
 . $WM_PROJECT_DIR/etc/config.sh/functions
 _foamSource $($WM_PROJECT_DIR/bin/foamEtcFile config.sh/ccmio)
 
-
 # Build libccmio (.a|.so)
 $WM_THIRD_PARTY_DIR/makeCCMIO lib # libso
 
 if [ -e $CCMIO_ARCH_PATH/include/libccmio/ccmio.h \
-  -a \( -e $CCMIO_ARCH_PATH/lib/libccmio.a -o $FOAM_EXT_LIBBIN/libccmio.so \) ]
+  -a \( -e $CCMIO_ARCH_PATH/lib/libccmio.a -o -e $FOAM_EXT_LIBBIN/libccmio.so \) ]
 then
     wmake $targetType ccm26ToFoam
 fi