Fixed issue with strncpy

Author: nothans

src/CheerLights.cpp

@@ -5,8 +5,9 @@
 #define BUFFER_SIZE         128
 
 CheerLights::CheerLights() {
-  strcpy(_colorName, "black");
-  _colorHex = 0x000000;
+    strncpy(_colorName, "black", sizeof(_colorName) - 1);
+    _colorName[sizeof(_colorName) - 1] = '\0';
+    _colorHex = 0x000000;
 }
 
 void CheerLights::begin(const char* ssid, const char* password) {

src/CheerLights.h

@@ -41,7 +41,7 @@ class CheerLights {
     void _fetchColor();
     const char* _ssid;
     const char* _password;
-    const char* _colorName;
+    char _colorName[32];
     uint32_t _colorHex;
 };