fix parentheses

Author: Joris van Winden

Mathlib/MeasureTheory/Function/AEEqOfLIntegral.lean

@@ -73,7 +73,7 @@ theorem ae_const_le_iff_forall_lt_measure_zero {β} [LinearOrder β] [Topologica
   exact hc _ (u_lt n)
 
 lemma ae_le_const_iff_forall_gt_measure_zero {β} [LinearOrder β] [TopologicalSpace β]
-    [OrderTopology β] [FirstCountableTopology β] {μ : Measure α} {f : α → β} (c : β) :
+    [OrderTopology β] [FirstCountableTopology β] {μ : Measure α} (f : α → β) (c : β) :
     (∀ᵐ x ∂μ, f x ≤ c) ↔ ∀ b, c < b → μ {x | b ≤ f x} = 0 :=
   ae_const_le_iff_forall_lt_measure_zero (β := βᵒᵈ) _ _