small tweaks and fixes

.clang-format

@@ -3,5 +3,5 @@ BasedOnStyle: Google
 IndentWidth: 2
 ---
 Language: Cpp
-ColumnWidth: 100
+ColumnLimit: 100
 ---

scripts/apply-clang-format.sh

@@ -3,6 +3,6 @@ if [[ ! -f README.md ]]; then
 	cd ..
 fi
 
-find ./src -iname *.h -o -iname *.cpp | xargs clang-format --style=file -i
-find ./hal -iname *.h -o -iname *.cpp | xargs clang-format --style=file -i
-find ./tests -iname *.h -o -iname *.cpp | xargs clang-format --style=file -i
+find ./src -iname *.h -o -iname *.cpp -o -iname *.c | xargs clang-format --style=file -i
+find ./hal -iname *.h -o -iname *.cpp -o -iname *.c | xargs clang-format --style=file -i
+find ./tests -iname *.h -o -iname *.cpp -o -iname *.c | xargs clang-format --style=file -i