Remove a space at the end of a line

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1879ed5..3fc76df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -130,7 +130,7 @@
         -Wno-error=c11-extensions
     )
     # Some headers such as glib-2.0 use identifier names that start with '_' followed by a capital letter.
-    # The C standard reserves names beginning with an underscore and various other combinations. 
+    # The C standard reserves names beginning with an underscore and various other combinations.
     # ISO/IEC 9899:1999 (aka C99 standard) 7.1.3 Reserved identifiers
     check_c_compiler_flag(-Wreserved-identifier HAVE_RESERVED_IDENTIFIER_WARNING)
     if(HAVE_RESERVED_IDENTIFIER_WARNING)