fix spelling errors

Makefile

@@ -269,7 +269,7 @@ cppcheck:
 flawfinder:
 	flawfinder --minlevel 5 --error-level=5 ./src/
 
-IGNORE_WORDS = ba
+IGNORE_WORDS = ba,statics
 CODESPELL_OPTIONS = --write-changes --interactive 3 --enable-colors
 CODESPELL_OPTIONS += --ignore-words-list $(IGNORE_WORDS)
 .PHONY: codespell

src/bacnet/basic/sys/platform.h

@@ -6,7 +6,7 @@
   *
  * @section DESCRIPTION
  *
- * This libc and compiler abstaction layer assists with differences
+ * This libc and compiler abstraction layer assists with differences
  * between compiler and libc versions, capabilities, and standards.
  *
  * @section LICENSE