Fix memory leaks in lcms

third_party/lcms2-2.6/0006-memory-leak-Type_NamedColor_Read.patch

Index: third_party/lcms2-2.6/0006-memory-leak-Type_NamedColor_Read.patch
diff --git a/third_party/lcms2-2.6/0006-memory-leak-Type_NamedColor_Read.patch b/third_party/lcms2-2.6/0006-memory-leak-Type_NamedColor_Read.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5d25d5a737ca1d2962c65a18dce6be7fe300ac89
--- /dev/null
+++ b/third_party/lcms2-2.6/0006-memory-leak-Type_NamedColor_Read.patch
@@ -0,0 +1,22 @@
+diff --git a/third_party/lcms2-2.6/src/cmstypes.c b/third_party/lcms2-2.6/src/cmstypes.c
+index feba387..4d24fc2 100644
+--- a/third_party/lcms2-2.6/src/cmstypes.c
++++ b/third_party/lcms2-2.6/src/cmstypes.c
+@@ -3102,7 +3102,7 @@ void *Type_NamedColor_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* i
+ 
+     if (nDeviceCoords > cmsMAXCHANNELS) {
+         cmsSignalError(self->ContextID, cmsERROR_RANGE, "Too many device coordinates '%d'", nDeviceCoords);
+-        return 0;
++        goto Error;
+     }
+     for (i=0; i < count; i++) {
+ 
+@@ -3111,7 +3111,7 @@ void *Type_NamedColor_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* i
+         char Root[33];
+ 
+         memset(Colorant, 0, sizeof(Colorant));
+-        if (io -> Read(io, Root, 32, 1) != 1) return NULL;
++        if (io -> Read(io, Root, 32, 1) != 1) goto Error;
+         Root[32] = 0;
+         if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error;
+         if (!_cmsReadUInt16Array(io, nDeviceCoords, Colorant)) goto Error;