fixed default warnings for C++

project.config.default

@@ -6,7 +6,7 @@ CMP_C="gcc"
 CMP_CPP="g++"
 STD_C="c99"
 STD_CPP="c++11"
-WARN_C="-Wall -Wextra
+WARN_COMMON="-Wall -Wextra
     -Wduplicated-branches
     -Wduplicated-cond
     -Wformat=2
@@ -14,9 +14,10 @@ WARN_C="-Wall -Wextra
     -Wshadow
     -Werror=return-type
     -Werror=pointer-arith
-    -Werror=init-self
+    -Werror=init-self"
+WARN_C="$WARN_COMMON
     -Werror=incompatible-pointer-types"
-WARN_CPP="$WARN_C"
+WARN_CPP="$WARN_COMMON"
 SRC_C="$(find src -name '*.c')"
 SRC_CPP="$(find src -name '*.cpp')"