Fix header guards

Author: ruslo

android-ndk-r10e-api-21-mips.cmake

@@ -2,10 +2,10 @@
 # Copyright (c) 2015, Michele Caini
 # All rights reserved.
 
-if(DEFINED POLLY_ANDROID_NDK_R10E_API_21_ARMEABI_CMAKE_)
+if(DEFINED POLLY_ANDROID_NDK_R10E_API_21_MIPS_CMAKE_)
   return()
 else()
-  set(POLLY_ANDROID_NDK_R10E_API_21_ARMEABI_CMAKE_ 1)
+  set(POLLY_ANDROID_NDK_R10E_API_21_MIPS_CMAKE_ 1)
 endif()
 
 include("${CMAKE_CURRENT_LIST_DIR}/utilities/polly_clear_environment_variables.cmake")

android-ndk-r10e-api-21-mips64.cmake

@@ -2,10 +2,10 @@
 # Copyright (c) 2015, Michele Caini
 # All rights reserved.
 
-if(DEFINED POLLY_ANDROID_NDK_R10E_API_21_ARMEABI_CMAKE_)
+if(DEFINED POLLY_ANDROID_NDK_R10E_API_21_MIPS64_CMAKE_)
   return()
 else()
-  set(POLLY_ANDROID_NDK_R10E_API_21_ARMEABI_CMAKE_ 1)
+  set(POLLY_ANDROID_NDK_R10E_API_21_MIPS64_CMAKE_ 1)
 endif()
 
 include("${CMAKE_CURRENT_LIST_DIR}/utilities/polly_clear_environment_variables.cmake")