Fix pkgconfig generation broken by 14abd930

In the non-dll case, don't set the LNK_LIB variable in the deps loop.

PiperOrigin-RevId: 503854597
Change-Id: Ic57711c1ed95b998e6ca4f27a0a7982ee99595e2

CMake/AbseilHelpers.cmake

@@ -157,6 +157,9 @@ function(absl_cc_library)
       else()
         set(PC_VERSION "head")
       endif()
+      if(NOT _build_type STREQUAL "dll")
+        set(LNK_LIB "${LNK_LIB} -labsl_${_NAME}")
+      endif()
       foreach(dep ${ABSL_CC_LIB_DEPS})
         if(${dep} MATCHES "^absl::(.*)")
           # for DLL builds many libs are not created, but add
@@ -179,7 +182,6 @@ function(absl_cc_library)
               set(PC_DEPS "${PC_DEPS},")
             endif()
             set(PC_DEPS "${PC_DEPS} absl_${CMAKE_MATCH_1} = ${PC_VERSION}")
-            set(LNK_LIB "${LNK_LIB} -labsl_${_NAME}")
           endif()
         endif()
       endforeach()