build-static-c99snprintf.patch

--- a/ThirdParty/c99_snprintf/CMakeLists.txt	2018-05-04 09:54:14.000000000 +0200
+++ b/ThirdParty/c99_snprintf/CMakeLists.txt	2018-05-18 10:15:26.174164200 +0200
@@ -119,7 +119,7 @@
 
 file(WRITE ${CMAKE_BINARY_DIR}/c99snprintf_defs "${DEFINES}")
 
-add_library(c99snprintf c99-snprintf_1.1/snprintf.c)
+add_library(c99snprintf STATIC c99-snprintf_1.1/snprintf.c)
 
 if(CYGWIN) 
 message("not tested")