[libomptarget] Normalise a cmake debug string, checking it triggers CI

Author: JonChesterfield

openmp/libomptarget/plugins/amdgpu/CMakeLists.txt

@@ -22,7 +22,7 @@ if(NOT LIBOMPTARGET_DEP_LIBELF_FOUND)
 endif()
 
 if(NOT CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(ppc64le)|(aarch64)$" AND CMAKE_SYSTEM_NAME MATCHES "Linux")
-  libomptarget_say("Not building AMDGPU plugin: only support AMDGPU in Linux x86_64, ppc64le, or aarch64 hosts.")
+  libomptarget_say("Not building AMDGPU plugin: only support AMDGPU in Linux x86_64, ppc64le, or aarch64 hosts")
   return()
 endif()