8007929: Improve CurvesAlloc

Reviewed-by: bae, mschoene, prr
Contributed-by: jia-hong.chen@oracle.com

src/share/native/sun/java2d/cmm/lcms/cmsopt.c

@@ -1201,6 +1201,15 @@ Curves16Data* CurvesAlloc(cmsContext ContextID, int nCurves, int nElements, cmsT
     for (i=0; i < nCurves; i++) {
 
         c16->Curves[i] = _cmsCalloc(ContextID, nElements, sizeof(cmsUInt16Number));
+        if (c16->Curves[i] == NULL) {
+            for (j=0; j < i; j++) {
+                _cmsFree(ContextID, c16->Curves[j]);
+            }
+            _cmsFree(ContextID, c16->Curves);
+            _cmsFree(ContextID, c16);
+
+            return NULL;
+        }
 
         if (nElements == 256) {