Avoid warning C4819

> : The file contains a character that cannot be represented in the
> current code page (932). Save the file in Unicode format to prevent
> data loss

Change-Id: I4ebd15fc0e00a0bc150652fbbe7c4368eee0ac15
Reviewed-on: https://gerrit.libreoffice.org/17369Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

starmath/inc/caret.hxx

@@ -218,7 +218,7 @@ private:
  * n3 -> n4 [label="0"];
  * n4 [label="SmTextNode: A (5)"];
  * n3 -> n5 [label="1"];
- * n5 [label="SmMathSymbolNode:  (6)"];
+ * n5 [label="SmMathSymbolNode: + (6)"];
  * n3 -> n6 [label="2"];
  * n6 [label="SmBinVerNode (7)"];
  * n6 -> n7 [label="0"];
@@ -228,7 +228,7 @@ private:
  * n8 -> n9 [label="0"];
  * n9 [label="SmTextNode: B (10)"];
  * n8 -> n10 [label="1"];
- * n10 [label="SmMathSymbolNode: ⋅ (11)"];
+ * n10 [label="SmMathSymbolNode: · (11)"];
  * n8 -> n11 [label="2"];
  * n11 [label="SmTextNode: C (12)"];
  * n6 -> n12 [label="1"];
@@ -296,7 +296,7 @@ private:
  * n8 -> n9 [label="0"];
  * n9 [label="SmTextNode: B (10)"];
  * n8 -> n10 [label="1"];
- * n10 [label="SmMathSymbolNode: ⋅ (11)"];
+ * n10 [label="SmMathSymbolNode: · (11)"];
  * n8 -> n11 [label="2"];
  * n11 [label="SmTextNode: C (12)"];
  * }