Add missing include (#162)

Signed-off-by: Tobias Fischer <info@tobiasfischer.info>
gazebosim · Sep 30, 2020 · b5306cc · b5306cc
1 parent 029e350
commit b5306cc
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/ignition/math/Color.hh b/include/ignition/math/Color.hh
@@ -18,6 +18,7 @@
 #define IGNITION_MATH_COLOR_HH_
 
 #include <iostream>
+#include <cctype>
 
 #include <ignition/math/Helpers.hh>
 #include <ignition/math/Vector3.hh>