Fix a few Droid font paths

Makefile

@@ -78,7 +78,7 @@ endif
 ifeq ($(or $(EMULATE_READER),$(WIN32)),)
 	# clean up, remove unused files for releases
 	rm -rf $(INSTALL_DIR)/koreader/data/{cr3.ini,cr3skin-format.txt,desktop,devices,manual}
-	rm $(INSTALL_DIR)/koreader/fonts/droid/DroidSansFallbackFull.ttc
+	rm $(INSTALL_DIR)/koreader/fonts/droid/DroidSansFallbackFull.ttf
 endif
 
 $(KOR_BASE)/$(OUTPUT_DIR)/luajit:

frontend/document/credocument.lua

@@ -22,7 +22,7 @@ local CreDocument = Document:new{
     line_space_percent = 100,
     default_font = G_reader_settings:readSetting("cre_font") or "Noto Serif",
     header_font = G_reader_settings:readSetting("header_font") or "Noto Sans",
-    fallback_font = G_reader_settings:readSetting("fallback_font") or "Droid Sans Fallback H",
+    fallback_font = G_reader_settings:readSetting("fallback_font") or "Droid Sans Fallback",
     default_css = "./data/cr3.css",
     options = CreOptions,
 }

frontend/ui/font.lua

@@ -35,7 +35,7 @@ local Font = {
         infofont = "noto/NotoSans-Regular.ttf",
     },
     fallbacks = {
-        [1] = "droid/DroidSansFallback.ttc",
+        [1] = "droid/DroidSansFallback.ttf",
         [2] = "noto/NotoSans-Regular.ttf",
         [3] = "droid/DroidSans.ttf",
         [4] = "freefont/FreeSans.ttf",