contrib: Fix check for OSX Snow Leopard.

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

extras/contrib/bootstrap

@@ -162,7 +162,7 @@ case $HOST in
             echo "ERROR:\nYour Developer Tools' SDKs were not found.\nYou need to add extra symbolic links to /Developer to achieve correctly\nbuilt contribs.\nHave a look at the OSX-Compile-HOWTO for details." >&2
             exit 1
         fi
-        if test $HOST="i686-apple-darwin10"; then
+        if test $HOST = "i686-apple-darwin10"; then
             echo "HAVE_DARWIN_10 = 1" >> config.mak
         fi
     ;;
@@ -192,7 +192,7 @@ case $HOST in
             echo "ERROR:\nYour Developer Tools' SDKs were not found.\nYou need to add extra symbolic links to /Developer to achieve correctly\nbuilt contribs.\nHave a look at the OSX-Compile-HOWTO for details." >&2
             exit 1
         fi
-        if test $HOST="x86_64-apple-darwin10"; then
+        if test $HOST = "x86_64-apple-darwin10"; then
             echo "HAVE_DARWIN_10 = 1" >> config.mak
         fi
     ;;