Fix #error typo

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/aesce.c b/library/aesce.c
index 8ce8fe2..752e008 100644
--- a/library/aesce.c
+++ b/library/aesce.c
@@ -62,7 +62,7 @@
 /* Compiler version checks. */
 #if defined(__clang__)
 #   if defined(MBEDTLS_ARCH_IS_ARM32) && (__clang_major__ < 11)
-#       error "Minimum version of Clang for MBEDTLS_AESCE_C on 32-bit Arm or Thumb is 111.0."
+#       error "Minimum version of Clang for MBEDTLS_AESCE_C on 32-bit Arm or Thumb is 11.0."
 #   elif defined(MBEDTLS_ARCH_IS_ARM64) && (__clang_major__ < 4)
 #       error "Minimum version of Clang for MBEDTLS_AESCE_C on aarch64 is 4.0."
 #   endif