Fix linux-clang warning flags (#188)

scripts/toolchain.lua

@@ -729,7 +729,6 @@ function toolchain(_buildDir, _libDir)
 --			"-Wduplicated-branches",
 --			"-Wduplicated-cond",
 --			"-Wjump-misses-init",
-			"-Wlogical-op",
 			"-Wshadow",
 --			"-Wnull-dereference",
 			"-Wunused-value",
@@ -748,6 +747,11 @@ function toolchain(_buildDir, _libDir)
 			"-Wl,--as-needed",
 		}
 
+	configuration { "linux-gcc*" }
+		buildoptions {
+			"-Wlogical-op",
+		}
+
 	configuration { "linux-gcc*", "x32" }
 		targetdir (path.join(_buildDir, "linux32_gcc/bin"))
 		objdir (path.join(_buildDir, "linux32_gcc/obj"))