Change reserved keyword reference (#1396)

* change boolean keyword accessor in bash.min

* change boolean keyword accessor in bash

Author: aaronfay

components/prism-bash.js

@@ -76,7 +76,7 @@
 	inside.string = Prism.languages.bash.string;
 	inside['function'] = Prism.languages.bash['function'];
 	inside.keyword = Prism.languages.bash.keyword;
-	inside.boolean = Prism.languages.bash.boolean;
+	inside['boolean'] = Prism.languages.bash['boolean'];
 	inside.operator = Prism.languages.bash.operator;
 	inside.punctuation = Prism.languages.bash.punctuation;