[FIX] Fixed bad folder name in FindPetsc.cmake

cmake/FindPETSC.cmake

@@ -9,7 +9,7 @@ string(REPLACE ":" ";" LIBRARY_PATH_LOC "${LIBRARY_PATH}")
 string(REPLACE ":" ";" LIBRARY_PATH_ENV "$ENV{LIBRARY_PATH}")
 
 FIND_PACKAGE(PkgConfig)
-PKG_CHECK_MODULES(PC_PETSC QUITE PETSC)
+#PKG_CHECK_MODULES(PC_PETSC QUITE PETSC)
 
 # Find headers
 FIND_PATH(
@@ -18,6 +18,8 @@ FIND_PATH(
     NAMES include/petsc.h
 
     PATHS
+    ${PETSC_DIR}
+    $ENV{PETSC_DIR}
     ${PETSC_ROOT}
     $ENV{PETSC_ROOT}
     $ENV{HOME}/petsc