fix this waring 
libutil/mipmap.c: In function `gluBuild3DMipmaps':
libutil/mipmap.c:7382: warning: 'proxyTarget' might be used uninitialized in this function
by initialized the value when it declare

Modified: trunk/reactos/lib/glu32/libutil/mipmap.c

--- trunk/reactos/lib/glu32/libutil/mipmap.c	2005-04-28 13:01:57 UTC (rev 14840)
+++ trunk/reactos/lib/glu32/libutil/mipmap.c	2005-04-28 13:19:23 UTC (rev 14841)
@@ -7012,7 +7012,7 @@

    int groupSize;
    int rowSize;
    int padding;

-   GLubyte *start, *rowStart, *iter;

+   GLubyte *start, *rowStart, *iter=NULL;

    int elementsPerLine;
    const GLushort *iter2;
    int ii, jj, dd, k;
@@ -7367,7 +7367,7 @@

    GLint widthPowerOf2= nearestPower(width);
    GLint heightPowerOf2= nearestPower(height);	        
    GLint depthPowerOf2= nearestPower(depth);

-   GLint proxyWidth;

+   GLint proxyWidth ;

 
    do {
       /* compute level 1 width & height & depth, clamping each at 1 */
@@ -7380,7 +7380,7 @@

       GLint depthAtLevelOne= (depthPowerOf2 > 1) ?
 			      depthPowerOf2 >> 1 :
 			      depthPowerOf2;

-      GLenum proxyTarget;

+      GLenum proxyTarget = 0;

       assert(widthAtLevelOne > 0);
       assert(heightAtLevelOne > 0);
       assert(depthAtLevelOne > 0);