dev-util/its4: Fix build for clang/LLVM toolchain

The config.C file has five instances of string literals being
immediately followed by NEWLINE (a macro that expands to another string
literal). C++11 requires a space between string literals.

Signed-off-by: Thomas Bracht Laumann Jespersen <t@laumann.xyz>
Closes: https://bugs.gentoo.org/738936
Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Sam James <sam@gentoo.org>

dev-util/its4/its4-1.1.1-r2.ebuild

@@ -22,6 +22,11 @@ src_prepare() {
 	sed -i \
 		-e 's/$(CC) -o/$(CC) $(OPTIMIZATION) $(EXTRA_FLAGS) -o/' \
 		"${S}"/Makefile.in || die
+
+	# Bug 738936 fails to compile with clang/LLVM toolchain
+	sed -i \
+		-e 's/"NEWLINE/" NEWLINE/g'\
+		"${S}"/config.C || die
 	eapply_user
 }