cmake: enable -Wformat and -Wformat-security

We do not currently have any warnings in this regard, but it's good practice to have them on in case we introduce something. (cherry picked from commit f2c1153d)

cmake: enable -Wformat and -Wformat-security
We do not currently have any warnings in this regard, but it's good practice to have them on in case we introduce something. (cherry picked from commit f2c1153d)
2e7d53ac · Carlos Martín Nieto · Patrick Steinhardt · e91d6b5e · 2e7d53ac
Commit 2e7d53ac authored Sep 17, 2018 by Carlos Martín Nieto Committed by Patrick Steinhardt Oct 26, 2018
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CMakeLists.txt
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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -225,6 +225,8 @@ ELSE ()
 	ENABLE_WARNINGS(shift-count-overflow)
 	DISABLE_WARNINGS(unused-const-variable)
 	DISABLE_WARNINGS(unused-function)
+	ENABLE_WARNINGS(format)
+	ENABLE_WARNINGS(format-security)

 	IF (APPLE) # Apple deprecated OpenSSL
 	    DISABLE_WARNINGS(deprecated-declarations)