[LyX/master] Fixup f96b99dc: do not initialize cache too late

[Jean-Marc Lasgouttes]

commit 4d9a2c2e59889c6a7388024f0e103012b115cc95
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Fri Oct 2 12:17:57 2020 +0200

    Fixup f96b99dc: do not initialize cache too late
---
 src/mathed/InsetMathScript.cpp |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mathed/InsetMathScript.cpp b/src/mathed/InsetMathScript.cpp
index 62aab03..cbef2fa 100644
--- a/src/mathed/InsetMathScript.cpp
+++ b/src/mathed/InsetMathScript.cpp
@@ -271,6 +271,10 @@ MathClass InsetMathScript::mathClass() const
 
 void InsetMathScript::metrics(MetricsInfo & mi, Dimension & dim) const
 {
+	// we store this, because it is much easier
+	has_limits_ = hasLimits(mi.base.font);
+
+	// Compute metrics of the available cells
 	Dimension dim0;
 	Dimension dim1;
 	Dimension dim2;
@@ -284,8 +288,6 @@ void InsetMathScript::metrics(MetricsInfo & mi, Dimension & dim) const
 		if (nargs() > 2)
 			cell(2).metrics(mi, dim2, !has_limits_);
 	}
-	// we store this, because it is much easier
-	has_limits_ = hasLimits(mi.base.font);
 
 	dim.wid = 0;
 	BufferView & bv = *mi.base.bv;