Switch to modular includes for generator.

Change-Id: Ie2926938912400b86c32733f04d59377c447c66c
diff --git a/generator/sections/gen-section-arm.c b/generator/sections/gen-section-arm.c
index 040ad24..7ec94a7 100644
--- a/generator/sections/gen-section-arm.c
+++ b/generator/sections/gen-section-arm.c
@@ -8,7 +8,7 @@
 #include <string.h>
 #include "../../edk/BaseTypes.h"
 #include "../gen-utils.h"
-#include "gen-sections.h"
+#include "gen-section.h"
 #define ARM_ERROR_INFO_SIZE 32
 
 void* generate_arm_error_info();