dri/xmlconfig: s/uint/unsigned int/

This patch fixes this build error on Mac OS X.

./xmlconfig.h:61:5: error: unknown type name 'uint'; did you mean 'int'?
    uint nRanges;         /**< \brief Number of ranges */
    ^~~~
    int
./xmlconfig.h:79:5: error: unknown type name 'uint'; did you mean 'int'?
    uint tableSize;
    ^~~~
    int

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Brian Paul <brianp@vmware.com>

src/mesa/drivers/dri/common/xmlconfig.h

@@ -58,7 +58,7 @@ typedef struct driOptionInfo {
     char *name;             /**< \brief Name */
     driOptionType type;     /**< \brief Type */
     driOptionRange *ranges; /**< \brief Array of ranges */
-    uint nRanges;         /**< \brief Number of ranges */
+    unsigned int nRanges;   /**< \brief Number of ranges */
 } driOptionInfo;
 
 /** \brief Option cache
@@ -76,7 +76,7 @@ typedef struct driOptionCache {
    * \li Default values in screen
    * \li Actual values in contexts 
    */
-    uint tableSize;
+    unsigned int tableSize;
   /**< \brief Size of the arrays
    *
    * In the current implementation it's not actually a size but log2(size).