Fix the modifier of font variable in ssd1306.c (#5880)

keyboards/claw44/ssd1306.c

@@ -13,7 +13,7 @@
 #include "sendchar.h"
 #include "timer.h"
 
-static const unsigned char font[] PROGMEM;
+extern const unsigned char font[] PROGMEM;
 
 // Set this to 1 to help diagnose early startup problems
 // when testing power-on with ble.  Turn it off otherwise,

keyboards/comet46/ssd1306.c

@@ -13,7 +13,7 @@
 #include "sendchar.h"
 #include "timer.h"
 
-static const unsigned char font[] PROGMEM;
+extern const unsigned char font[] PROGMEM;
 
 // Set this to 1 to help diagnose early startup problems
 // when testing power-on with ble.  Turn it off otherwise,

keyboards/crkbd/ssd1306.c

@@ -13,7 +13,7 @@
 #include "sendchar.h"
 #include "timer.h"
 
-static const unsigned char font[] PROGMEM;
+extern const unsigned char font[] PROGMEM;
 
 // Set this to 1 to help diagnose early startup problems
 // when testing power-on with ble.  Turn it off otherwise,

keyboards/lily58/ssd1306.c

@@ -13,7 +13,7 @@
 #include "sendchar.h"
 #include "timer.h"
 
-static const unsigned char font[] PROGMEM;
+extern const unsigned char font[] PROGMEM;
 
 // Set this to 1 to help diagnose early startup problems
 // when testing power-on with ble.  Turn it off otherwise,

keyboards/yosino58/ssd1306.c

@@ -13,7 +13,7 @@
 #include "sendchar.h"
 #include "timer.h"
 
-static const unsigned char font[] PROGMEM;
+extern const unsigned char font[] PROGMEM;
 
 // Set this to 1 to help diagnose early startup problems
 // when testing power-on with ble.  Turn it off otherwise,