Fix memory leaks in lcms

third_party/lcms2-2.6/src/cmsxform.c

Index: third_party/lcms2-2.6/src/cmsxform.c
diff --git a/third_party/lcms2-2.6/src/cmsxform.c b/third_party/lcms2-2.6/src/cmsxform.c
index eddb9bd02cba3d057c94a5c1e4325ff3f3919349..6466d27c3ebf8f1b738341e2225a3909253b151e 100644
--- a/third_party/lcms2-2.6/src/cmsxform.c
+++ b/third_party/lcms2-2.6/src/cmsxform.c
@@ -593,7 +593,10 @@ _cmsTRANSFORM* AllocEmptyTransform(cmsContext ContextID, cmsPipeline* lut,
 
     // Allocate needed memory
     _cmsTRANSFORM* p = (_cmsTRANSFORM*) _cmsMallocZero(ContextID, sizeof(_cmsTRANSFORM));
-    if (!p) return NULL;
+    if (!p) {
+      cmsPipelineFree(lut);
+      return NULL;
+    }
 
     // Store the proposed pipeline
     p ->Lut = lut;
@@ -643,7 +646,7 @@ _cmsTRANSFORM* AllocEmptyTransform(cmsContext ContextID, cmsPipeline* lut,
         if (p ->FromInputFloat == NULL || p ->ToOutputFloat == NULL) {
 
             cmsSignalError(ContextID, cmsERROR_UNKNOWN_EXTENSION, "Unsupported raster format");
-            _cmsFree(ContextID, p);
+            cmsDeleteTransform(p);
             return NULL;
         }
 
@@ -673,7 +676,7 @@ _cmsTRANSFORM* AllocEmptyTransform(cmsContext ContextID, cmsPipeline* lut,
             if (p ->FromInput == NULL || p ->ToOutput == NULL) {
 
                 cmsSignalError(ContextID, cmsERROR_UNKNOWN_EXTENSION, "Unsupported raster format");
-                _cmsFree(ContextID, p);
+                cmsDeleteTransform(p);
                 return NULL;
             }