Fix memory leak in lcms, MPEmatrix_Read

third_party/lcms2-2.6/0008-memory-leak-Type_MPEmatrix_Read.patch

Index: third_party/lcms2-2.6/0008-memory-leak-Type_MPEmatrix_Read.patch
diff --git a/third_party/lcms2-2.6/0008-memory-leak-Type_MPEmatrix_Read.patch b/third_party/lcms2-2.6/0008-memory-leak-Type_MPEmatrix_Read.patch
new file mode 100644
index 0000000000000000000000000000000000000000..93ee3d3fde1cf547d130eaecceb949a52e3fd8b1
--- /dev/null
+++ b/third_party/lcms2-2.6/0008-memory-leak-Type_MPEmatrix_Read.patch
@@ -0,0 +1,30 @@
+diff --git a/third_party/lcms2-2.6/src/cmstypes.c b/third_party/lcms2-2.6/src/cmstypes.c
+index 441d6bb..15199c7 100644
+--- a/third_party/lcms2-2.6/src/cmstypes.c
++++ b/third_party/lcms2-2.6/src/cmstypes.c
+@@ -4203,7 +4203,11 @@ void *Type_MPEmatrix_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io
+ 
+         cmsFloat32Number v;
+ 
+-        if (!_cmsReadFloat32Number(io, &v)) return NULL;
++        if (!_cmsReadFloat32Number(io, &v)) {
++            _cmsFree(self ->ContextID, Matrix);
++            _cmsFree(self ->ContextID, Offsets);
++            return NULL;
++        }
+         Matrix[i] = v;
+     }
+ 
+@@ -4212,7 +4216,11 @@ void *Type_MPEmatrix_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io
+ 
+         cmsFloat32Number v;
+ 
+-        if (!_cmsReadFloat32Number(io, &v)) return NULL;
++        if (!_cmsReadFloat32Number(io, &v)) {
++            _cmsFree(self ->ContextID, Matrix);
++            _cmsFree(self ->ContextID, Offsets);
++            return NULL;
++        }
+         Offsets[i] = v;
+     }
+